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Nitric acid qualitative analysis method

Nitric acid qualitative analysis method, Total:498 items.

In the international standard classification, Nitric acid qualitative analysis method involves: Surface treatment and coating, Inorganic chemicals, Water quality, Milk and milk products, Metalliferous minerals, Fertilizers, Analytical chemistry, Ferrous metals, Non-ferrous metals, Chipless working equipment, Soil quality. Pedology, Products of the chemical industry, Ferroalloys, Tobacco, tobacco products and related equipment, Testing of metals, Power stations in general, Meat, meat products and other animal produce, Protection against dangerous goods, Paint ingredients, Non-metalliferous minerals, Nuclear energy engineering, Sugar. Sugar products. Starch, Fruits. Vegetables, General methods of tests and analysis for food products, Paints and varnishes, Air quality, Electrical accessories, Manufacturing forming processes, Ceramics, Beverages, Edible oils and fats. Oilseeds, Protection against crime, Farming and forestry, Geology. Meteorology. Hydrology, Textile fibres, Fuels, Welding, brazing and soldering, Optics and optical measurements, Pulps.

Professional Standard - Aviation, Nitric acid qualitative analysis method

HB/Z 5091.4-1999 Analysis method for chrome plating solution Qualitative analysis of NO2-
HB/Z 5109.8-2001 Analysis method for passivation solution Determination of nitric acid in zinc plating, cadmium plating nitric acid passivation solution through potentiometric titration
HB/Z 5107.17-2004 Methods for analysis of chemical oxidation solution for magnesium alloy-Part 17:Determination of nitric acid content in nitric acid oxidation solution by potentiometric method
HB/Z 5092.2-2001 Electroplating Black Chromium Solution Analysis Method Potentiometric Titration Determination of Sodium Nitrate Content
HB 5220.11-1995 Method for chemical analysis of superalloys Ammonium nitrate oxidation-ferrous ammonium sulfate volumetric method for determination of manganese content
HB 5220.11-2008 Methods for chemical analysis of superalloys. Part 11: Determination of manganese content by ammonium nitrate oxidation-ammonium ferrous sulfate volumetric method
HB/Z 5109.5-2001 Analysis method for passivation solution Determination of nitric acid in zinc plating, cadmium plating triacid passivation solution through potentiometric titration
HB/Z 5109.16-2001 Analysis method for passivation solution Determination of potassium nitrate content in silver plating passivation solution through potentiometric titration
HB/Z 5109.7-2001 Analysis method for passivation solution Determination of sodium sulfate in zinc plating, cadmium plating nitric acid passivation solution
HB/Z 5109.6-2001 Analysis method for passivation solution Determination of sodium bichromate content in zinc plating, cadmium plating nitric acid passivation solution through potentiometric titration
HB/Z 5107.16-2004 Methods for analysis of chemical oxidation solution for magnesium alloy-Part 16:Determination of potassium bichromate content in nitric acid oxidation solution by potentiometric method
HB/Z 5087.3-2004 Methods for analysis of acid plating copper solutions part 3:Determination of sulphuric acid content by potentiometric titrimetric method
HB/Z 5087.2-2004 Methods for analysis of acid plating copper solutions part 2:Determination of copper sulfate content by potentiometric titrimetric method
HB/Z 5094.1-2004 Methods for analysis of acid plating tin solutions-Part 1:Determination of tin(Ⅱ)sulfate content by potentiometric titrimetric method
HB/Z 5094.2-2004 Methods for analysis of acid plating tin solutions-Part 2:Determination of free sulphuric acid content by potentiometric titrimetric method
HB/Z 5087.1-2004 Methods for analysis of acid plating copper solutions part 1:Determination of copper sulfate content by EDTA volumetric method
HB 20056.2-2011 Methods for analysis of Sn-Bi alloy plating and plating Sn-Bi alloy solutions.Part 2:Determination of bismuth nitrate content by spectrophotometric method
HB/Z 5093.3-2000 Analytical method of alkaline electroplating tin solution Determination of sodium acetate content by potentiometric titration
HB/Z 5091.3-1999 Analysis method for chrome plating solution Determination of sulphide acidic content
HB/Z 5108.1-1999 Analytical methods for phosphating solutions - Potentiometric titration for the determination of free and total acidity
HB/Z 5087.5-2004 Methods for analysis of acid plating copper solutions part 5:Determination of nickel sulfate content by atomic absorption spectrometric method
HB/Z 5093.1-2000 Alkaline electroplating tin solution analysis method EDTA volumetric method to determine the content of sodium stannate
HB/Z 5107.18-2004 Methods for analysis of chemical oxidation solution for magnesium alloy-Part 18:Determination of ammonium chloride (sodium chloride)content in nitric acid oxidation solution by potentiometric method
HB/Z 5087.6-2004 Methods for analysis of acid plating copper solutions part 6:Determination of arsenic content by spectrophotometric method
HB 5422.14-1989 Copper Alloy Chemical Analysis Method Nitroso-R Salt Absorption Spectrophotometry Determination of Cobalt Content
HB/Z 5105.3-2000 Electrochemical Polishing Solution Analysis Method Potentiometric Titration Determination of Sulfuric Acid and Phosphoric Acid
HB 5220.26-1995 Determination of Cobalt Content by Nitroso R Salt Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 7064.2-1994 Metal heat treatment salt bath chemical analysis method Barium carbonate precipitation separation acid-base titration method Determination of carbonate content
HB/Z 5093.5-2000 Analytical method of alkaline electroplating tin solution Qualitative analysis of divalent tin by redox method
HB/Z 5088.4-1999 Analysis method for nickel plating solution Determination of boric acid content through potentiometric titration
HB/Z 339.3-1999 Analytical method for chromic acid anodizing solution of aluminum alloy - Determination of sulfate radical

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Nitric acid qualitative analysis method

GB/T 16478.11-1996 Methods for chemical analysis of thorium nitrate.Determination of lead content
GB/T 16478.2-1996 Methods for chemical analysis of thorium nitrate--Determination of thorium content
GB/T 16478.3-1996 Methods for chemical analysis of thorium nitrate--Determination of sulphate content
GB/T 16478.4-1996 Methods for chemical analysis of thorium nitrate--Determination of phosphorus content
GB/T 16478.5-1996 Methods for chemical analysis of thorium nitrate--Determination of chlorine content
GB/T 16478.6-1996 Methods for chemical analysis of thorium nitrate--Determination of iron content
GB/T 16478.7-1996 Methods for chemical analysis of thorium nitrate--Determination of titanium content
GB/T 16478.8-1996 Methods for chemical analysis of thorium nitrate--Determination of silicon content
GB/T 16478.9-1996 Methods for chemical analysis of thorium nitrate.Determination of uranium content
GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrates
GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling. Determination of nitrates and nitrites. Part 1: Ultraviolet spectrophotometry for nitrates
GB/T 16478.10-1996 Methods for chemical analysis of thorium nitrate.Determination of total rare earth content
GB/T 6730.26-1986 Methods for chemical analysis of iron ores--The thorium nitrate volumetric method for the determination of fluorine content
GB/T 6912.3-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Alpha-naphthylamine hydrochloride photometric method
GB/T 16478.1-1996 Methods for chemical analysis of thorium nitrate--Insoluble substance in water
GB/T 12687.2-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of chlorine content--Mercurimetric method
GB/T 223.58-1987 Methods for chemical analysis of iron,steel and alloy--The sodium arsenite-sodium nitrite titrimetric method for the determination of manganese content
GB 223.58-1987 Methods for chemical analysis of iron, steel and alloys Sodium arsenite-sodium nitrite titration for the determination of manganese content
GB/T 6912-2008 Analysis of water used in boiler and cooling system.Determination of nitrite
GB/T 22662.8-2008 Chemical analysis methods of potassium fluotitanate.Part8:Determination of chloride content.Mercury nitration volumetric method
GB/T 22661.9-2008 Chemical analysis methods of potassium fluoborate.Part9:Determination of chloride content.Mercury nitration volumetric method
GB/T 8158.2-1987 Methods for chemical analysis of sodium fluoride--The distillation nitric thorium volumetric method for determination of fluorine content
GB/T 23278.8-2009 Methods for chemical analysis of sodium stannate.Part 8:Determination of nitrate content.Ion selective electrode method
GB/T 12687.8-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination for the water insoluble matter content--Gravimetric method
GB/T 223.4-1988 Methods for chemical analysis of iron, steel and alloy--The volumetric method for determination of manganese content by ammonium nitrate oxidation
GB/T 6764-1986 Radiochemical analysis of strontium-90 in water--Precipitation by fuming nitric acid
GB/T 8156.3-1987 Methods for chemical analysis of aluminum fluoride for industrial use--The distillation-thorium nitrate volumetric method for the determination of fluoride content
GB/T 12687.1-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of total rare earth oxide content--Gravimetric method
GB/T 29879-2013 Test method for hazard classification of ammonium nitrate
GB/T 12687.5-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of chrome content-sys--Diphenyl carbazide spectrophotometric method
GB/T 21994.3-2008 Chemical analysis of magnesium fluoride.Part 3:Determination of fluoride content.Distillation-thorium nitrate titration volumetric method
GB/T 22660.3-2008 Chemical analysis methods of lithium fluoride.Part3:Determination of fluoride content.Distillation-thorium nitrate titration volumetric method
GB/T 12687.4-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of mercury content--Flame atomic absorption spectrophotometric method
GB/T 12687.2-2010 Chemical analysis methods of rare earth nitrate for growth regulator plant.Part 2: Determination of chlorine content
GB/T 16484.15-2009 Chemical analysis methods of rare earth chloride and light rare earth carbonate.Part 15:Determination of chlorine content in light rare earth carbonate.Silver nitrate turbidimetry
GB/T 12687.6-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of lead and cadmium content--Flame atomic absorption spectrophotometric method
GB/T 12687.7-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of thorum content--Spectrometric method with CL-TBP levextred resin separation
GB/T 12687.3-2010 Chemical analysis methods of rare earth nitrate for growth regulator for plant.Part 3: Determination of the water insoluble matter content.Gravimetry
GB/T 12687.3-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of arsenic content--Hydride generation flame atomic absorption spectrophotometric method
GB/T 6730.38-1986 Methods for chemical analysis of iron ores--The nitroso-R salt photometric method for the determination of cobalt content
GB 6730.3-1986 Method for chemical analysis of iron ore by nitroso-R salt photometric method for determination of cobalt content
GB 6730.38-1986 Method for chemical analysis of iron ore by nitroso-R salt photometric method for determination of cobalt content
GB/T 12690.9-2003 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides-Determination of chlorine content-Silver nitrate turbidimetric method
GB/T 8158.5-1987 Methods for chemical analysis of sodium fluoride--The turbidimetric method for the determination of soluble sulphates content
GB 223.22-1982 Chemical analysis of iron,steel and alloy--The determination of cobalt by the nitroso-R salt photometric method
GB/T 16102-1995 Workplace air--Determination of nitrobenzene--Naphthyl ethylenediamine dihydrochloride spectrophotometric method
GB 8150.1-1987 Methods for chemical analysis of xanthates--The lead-acetate titration method for determination of xanthate content
GB/T 23278.1-2009 Methods for chemical analysis of sodium stannate.Part 1:Determination of tin content.Titration
GB/T 8158.7-1987 Methods for chemical analysis of sodium fluoride--The neutral titration for the determination of acidity
GB/T 8639.1-1988 Vanadium--Determination of vanadium content--Potassium permanganate-ammonium ferrous sulphate volumetric method
GB/T 8638.7-1988 Nickel base alloy powder--Determination of cubit content--Nitroso-R salt spectrophotometric method
GB/T 223.22-1994 Methods for chemical analysis of iron ,steel and alloy.The nitroso-R-salt spectrophotometric method for the determination of cobalt content
GB/T 13747.8-1992 Zirconium and zirconium alloys--Determination of cobalt content--1-nitroso-2-hydroxy-3.6-naphthalene-disulfonic acid(sodium salt) spectrophotometric method
GB/T 6609.15-2004 Chemical analysis methods and determination of physical performance of alumina Determination of chlorine content-Ferric thiocyanate photometric method
GB/T 8151.7-1987 Methods for chemical analysis of zinc concentrates--The potassium bromate titrimetric method for the determination of arsenic content
GB/T 11067.6-1989 Silver--Determination of sulfur content--Combustion potassium iodate titrimetric method
GB 11067.6-1989 Silver—Determination of sulphur content—Combustion-potassium iodate titrimetric method
GB/T 14506.18-1993 Sillicate rocks. Determination of copper
GB/T 14506.19-1993 Sillicate rocks. Determination of lead
GB/T 14506.20-1993 Sillicate rocks. Determination of zine
GB/T 14506.22-1993 Silicate rocks. Determination of vanadium
GB/T 14506.23-1993 Silicate rocks. Determination of chromium
GB/T 4373.1-1984 Methods for chemical analysis of arsenic--The potassium bromate volumetric method for the determination of arsenic content
GB/T 4373.3-1984 Methods for chemical analysis of arsenic--The barium sulphate gravimetric method for the determination of sulphur content
GB/T 23834.1-2009 Chemical analysis method for stannous sulfate.Part 1:Determination of stannous sulfate content.Volumetric method of potassium dichromate
GB/T 10574.1-1989 Tin-lead solders--Determination of tin content--Potassium iodate titrimetric method
GB/T 10574.3-1989 Tin-lead solders--Determination of antimony content--Potassium bromete titrimetric method
GB 8150.2-1987 Methods for chemical analysis of xanthates--The acetic acid titration method for determination of free alkali content
GB/T 1819.2-2004 Methods for chemical analysis of tin concentrates-Determination of tin content--The potassium iodate titrimetric method
GB/T 1819.3-2004 Methods for chemical analysis of tin concentrates Determination of iron content--The cerium sulfate titrimetric method
GB/T 1819.2-2004 Methods of chemical analysis of tin concentrate Determination of tin content Potassium iodate titration
GB/T 23367.1-2009 Methods for chemical analysis of lithium cobalt oxide.Part 1:Determination of cobalt content.EDTA titration
GB/T 15617-2002 Quantitative analysis of silicate minerals by electron probe microanalysis
GB/T 14506.7-1993 Sillicate rocks. Determination of magnesium oxide
GB/T 6609.27-2004 Chemical analysis methods and determination of physical performance of alumina Particle size analysis-Sieving method
GB/T 3169.5-1982 Chemical analysis of aluminum powder--The potassium periodate photometric method for determination of manganese
GB/T 8158.6-1987 Methods for chemical analysis of sodium fluoride--The gravimetric method for the determination of carbonate content
GB/T 5195.2-1985 Methods for chemical analysis of fluor-spar--The EDTA volumetric method for the determination of carbonate content
GB/T 3654.8-1983 Methods for chemical analysis of ferroniobium--The chromotropic acid photometric method for the determination of titanium content
GB/T 4324.28-1984 Methods for chemical analysis of tungsten--The thiocyanate photometric method for the determination of molybdenum content
GB/T 11064.1-1989 Lithium carbonate--Determination of lithium carbonate content--Acid-alkali titrimetric method
GB/T 23834.2-2009 Chemical analysis method for stannous sulfate.Part 2:Determination of insoluble substance in hydrochloric acid.Gravimetric method
GB/T 4701.4-1984 Methods for chemical analysis of ferrotitanium--The persulfate-arsenite volumetric method for the determination of manganese content
GB/Z 39124-2020 Method for chemical analysis of lead concentrates—Determination of antimony content—Ce(SO4)2 titration method
GB/T 8152.1-2006 Methods for chemical analysis of lead concentrates.Determination of lead content.EDTA titration method after acid digestion
GB/T 16484.14-1996 Methods for chemical analysis of rare earth chloride and carbonate--Determination of phosphorus radicle content

TR-TSE, Nitric acid qualitative analysis method

TS 3308-1979 METHODS FOR THE ANALYSIS OF WATER DETERMINATION OF THE NITRATE CONTENT
TS 2618-1977 General Methods Of Test For Pigraents PART — XIX Determination Of Water-Soluble Nitrates (Salicylic flcid Hethod)
TS 2612-1977 General Methods of Test Fo? Pigments Patt?m Determination of Water - Solnble Sulphates, Chlorides And Nitrates

British Standards Institution (BSI), Nitric acid qualitative analysis method

BS 770-9:1985 Methods for chemical analysis of cheese. Determination of nitrate and nitrite contents. Cadmium reduction and photometry method
BS 4267-7:1987 Ammonium nitrate - Methods for determination of nitrite content
BS 1728-9:1957 Methods for the analysis of aluminium and aluminium alloys - Determination of manganese (volumetric: arsenite/nitrite method)
BS 1743 Sec.16.3:1987 Method for analysis of dried milk and dried milk products. Determination of nitrate and nitrite contents. Screening method for nitrate content by cadmium reduction and spectrometry
BS 4267-4:1987 Ammonium nitrate - Method for determination of sulphated ash
BS 1743 Sec.16.1:1983 Methods for analysis of dried milk and dried milk products. Determination of nitrate and nitrite contents. Method for dried milk by cadmium reduction
BS ISO 15517:2003+A1:2012 Tobacco. Determination of nitrate content. Continuous-flow analysis method
BS 4267-9:1987 Ammonium nitrate - Method for determination of sulphate content
BS 4267-3:1987 Ammonium nitrate - Method for measurement of pH value
BS EN ISO 787-19:2020 General methods of test for pigments - Determination of water-soluble nitrates (Salicylic acid method)
BS 4267-6:1987 Ammonium nitrate - Method for determination of water content
BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
BS EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS 4267-5:1987 Ammonium nitrate - Method for determination of matter insoluble in water
BS 4267-1:1988 Ammonium nitrate - Method for determination of ammoniacal nitrogen content
BS 7020-22:1990 Analysis of iron ores. Method for the determination of acid-soluble iron (II) content. Titrimetric method
BS 4267-8:1987 Ammonium nitrate - Methods for determination of chloride content
BS EN ISO 787:1995 General methods of test for pigments and extenders. Determination of water-soluble nitrates (Salicylic acid method)
BS EN ISO 787-19:1995 General methods of test for pigments and extenders - Determination of water-soluble nitrates (Salicylic acid method)
BS ISO 21438-2:2010 Workplace atmospheres. Determination of inorganic acids by ion chromatography. Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
BS ISO 21438-2:2009 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
BS 7142-5:1997 Methods for analysis of milk-based products - Determination of titratable acidity of yogurt (potentiometric method)
BS 684-2.48:1998 Methods of analysis of fats and fatty oils - Other methods - Determination of mineral acidity
BS 6829-2.1:1988 Analysis of surface active agents (raw materials) - Alkane sulphonates - Method for determination of total alkaline sulphonates content
BS 4401-7:1976 Methods of test for meat and meat products - Determination of nitrate content
BS 5551-3.4:1987 Fertilizers. Physical properties. Method for determination of oil retention of high nitrogen content, straight ammonium nitrate fertilizers
BS 6829-1.1:1987 Analysis of surface active agents (raw materials). General methods. Method for determination of mineral sulphate content
BS 4401-8:1976 Methods of test for meat and meat products - Determination of nitrite content
BS EN ISO 787-13:2002 General methods of test for pigments and extenders - Determination of water-soluble sulfates, chlorides and nitrates
BS 5551-4.5:1993 Fertilizers. Chemical analysis. Method for determination of mineral-acid-soluble sulfate content of solid fertilizers
BS 1715-2.4:1989 Analysis of soaps. Quantitative test methods - Method for determination of free fatty acids content
BS EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
BS EN ISO 787-13:2019 General methods of test for pigments and extenders - Determination of water-soluble sulfates, chlorides and nitrates
PD ISO/TR 14735:2013 Cosmetics. Analytical methods. Nitrosamines: Technical guidance document for minimising and determining N-nitrosamines in cosmetics
BS 6829-1.2:1988 Analysis of surface active agents (raw materials). General methods. Method for determination of free alkalinity or free acidity
BS 6829-2.3:1989 Analysis of surface active agents (raw materials). Alkane sulphonates. Method for determination of alkane monosulphonates content
BS EN 26777:1993 Water quality. Physical, chemical and biochemical methods. Determination of nitrite: molecular absorption spectrometric method
BS 5551 Sec.4.5:1993 Fertilizers. Chemical analysis. Method for determination of mineral-acid-soluble sulfate content of solid fertilizers
BS 1715-2.4:1990 Analysis of soaps - Quantitative test methods - Method for determination of free fatty acids content
BS 4289-5:1989 Method for the analysis of oilseeds - Determination of acidity of fat

CU-NC, Nitric acid qualitative analysis method

NC 93-19-1986 Community hygiene. Gobalt Determination in Soils. Analysis Methods
NC 93-16-1986 Community Higiene. Determination of Nitrites in Soils Analysis Method
NC 93-10-1986 Community Hygiene. Determination of Nitrates in Soils. Analysis Method
NC 12-01-13-1988 Standards System for Protection Against Corrosión. Determination of Nitrates Content in the Atmosphere. Method of Chemical Analysis

Yunnan Provincial Standard of the People's Republic of China, Nitric acid qualitative analysis method

DB53/T 591-2014 Rhodium nitrate chemical analysis method Determination of rhodium content Hydrogen reduction gravimetric method

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Nitric acid qualitative analysis method

GJB 5381.12-2005 Methods of chemical analysis for pyrotech. Part 12: Determination of barium nitrate content. Chromate method
GJB 5381.14-2005 Methods of chemical analysis for pyrotech. Part 14: Determination of strontium nitrate strontium carbonate content. Sulfate method
GJB 5381.11-2005 Methods of chemical analysis for pyrotech. Part 11: Determination of barium nitrate content. Azotometry method
GJB 5381.15-2005 Methods of chemical analysis for pyrotech. Part 15: Determination of strontium nitrate and strontium carbonate content. Complexometric titration method
GJB 5381.13-2005 Methods of chemical analysis for pyrotech. Part 13: Determination of barium nitrate content. Iodimetry method
GJB 5381.10-2005 Methods of chemical analysis for pyrotech Part 10: Determination of potassium nitrate content. Sodium tetraphenylboron

Military Standard of the People's Republic of China-General Armament Department, Nitric acid qualitative analysis method

GJB 8682.12-2015 Methods of chemical analysis of pyrotechnic powders Part 12: Determination of barium nitrate content Chromate method
GJB 8682.14-2015 Methods for chemical analysis of pyrotechnics Part 14: Determination of strontium nitrate and strontium carbonate content Sulfate method
GJB 8682.11-2015 Methods of chemical analysis of pyrotechnics Part 11: Determination of barium nitrate content and nitrogen determination method
GJB 8682.15-2015 Methods of chemical analysis of pyrotechnics Part 15: Determination of strontium nitrate and strontium carbonate content complex titration method
GJB 8682.13-2015 Methods of chemical analysis of pyrotechnics Part 13: Determination of barium nitrate content by iodometric method
GJB 8682.10-2015 Methods for chemical analysis of pyrotechnics Part 10: Determination of potassium nitrate content Sodium tetraphenylborate method
GJB 770.109-1993 Test Methods for Gunpowder Analysis - Determination of Solubility of Nitrocellulose
GJB 770.108-1991 Test methods for gunpowder analysis Determination of moisture content in nitrocellulose Oven method
GJB 770.309-1991 Test methods for gunpowder analysis - Determination of nitroglycerin content - Gas measurement method
GJB 1047.2A-2004 Test Methods for Black Powder Part 2: Determination of Conductivity Method for Potassium Nitrate
GJB 770.310-1993 Test methods for gunpowder analysis: Determination of dinitrotoluene, dibutyl phthalate and 2-nitrodiphenylamine in double base powder by gas chromatography
GJB 770.311-1993 Test methods for gunpowder analysis: Determination of nitroglycerin, dinitrotoluene, No. 2 neutralizing agent and dibutyl phthalate in double base powder by gas chromatography
GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
GJB 1047.2A-2020 Test methods for black powder Part 2: Determination of potassium nitrate content Conductometric method
GJB 1047.1A-2020 Test methods for black powder Part 1: Determination of potassium nitrate content Weighing method
GJB 770.308-1990 Test methods for gunpowder analysis Determination of nitrogen content of nitrocellulose Ferrous iron-titanium chloride method
GJB 770.304-1989 Test methods for gunpowder analysis: Determination of nitroglycerin, dinitrotoluene, No. 2 intermediate and dibutyl phthalate in double-base propellants by normal phase liquid chromatography
GJB 768.3-1989 Fault tree analysis method: formal fault tree qualitative analysis

BE-NBN, Nitric acid qualitative analysis method

NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 03-042-1979 Nitric acid for industrial use - Determination of sulphate content - Method by reduction and titrimetry
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN-EN 26777-1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
NBN T 63-110-1980 Surface active agents - Technical sodium alkane sulphonates -Methods of analysis

未注明发布机构, Nitric acid qualitative analysis method

BS 4267-7:1987(1999) Ammonium nitrate — Part 7 : Methods for determination of nitrite content
BS 4267-4:1987(1999) Ammonium nitrate — Part 4 : Method for determination of sulphated ash
BS 4267-9:1987(1999) Ammonium nitrate — Part 9 : Method for determination of sulphate content
BS 4267-6:1987(1999) Ammonium nitrate — Part 6 : Method for determination of water content
BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen content
BS 4267-8:1987(1999) Ammonium nitrate — Part 8 : Methods for determination of chloride content
BS 4267-10:1994(1999) Ammonium nitrate — Part 10 : Method for determination of matter soluble in diethyl ether
GJB 1047.1A-2004 Test methods for black powder Part 1: Determination and weighing method of potassium nitrate
BS 4267-11:1994(1999) Ammonium nitrate — Part 11 : Method for determination of inorganic matter and grit insoluble in water

German Institute for Standardization, Nitric acid qualitative analysis method

DIN EN ISO 14673-2:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004); German version EN ISO 14673-2:2004
DIN EN ISO 14673-3:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004); German version EN ISO 14673-3:2004
DIN EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004); German version EN ISO 14673-2:2004
DIN EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004); German version EN ISO 14673-3:2004
DIN EN ISO 787-19:2020-07 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020); German version EN ISO 787-19:2020
DIN EN 12014-4:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN EN 12014-2:2018-02 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products; German version EN 12014-2:2017
DIN EN ISO 787-19:1995 General methods of test for pigments and extenders - Part 19: Determination of water-soluble nitrates (salicylic acid method) (ISO 787-19:1974); German version EN ISO 787-19:1995
DIN EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DIN EN ISO 787-19:2020 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020)
DIN 25703:1993 Determination of the uranium and plutonium content in nitric acid solutions by wavelength dispersive X-ray fluorescence analysis
DIN ISO 14256-2:2006 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution - Part 2: Automated method with segmented flow analysis (ISO 14256-2:2005) English version of DIN ISO 14256-2:2006-07
DIN EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method; German version EN 14670:2005
DIN EN ISO 787-13:2019-12 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates (ISO 787-13:2019); German version EN ISO 787-13:2019
DIN EN 14670:2005-09 Surface active agents - Sodium dodecyl sulfate - Analytical method; German version EN 14670:2005
DIN EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996

International Organization for Standardization (ISO), Nitric acid qualitative analysis method

ISO 14673-3:2004 | IDF 189-3:2004 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2001 | IDF 189-3: 2001 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-2:2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analyses (Routine method)
ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)
ISO 14673-2:2004|IDF 189-2:2004 Determination of nitrate and nitrite content in milk and dairy products Part 2: Stratified flow analysis method (conventional method)
ISO 15517:2003 Tobacco - Determination of nitrate content - Continuous-flow analysis method
ISO 14673-2:2001 | IDF 189-2: 2001 Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method)
ISO 14673-2:2004 | IDF 189-2:2004 Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method)
ISO 14673-3:2001/Cor 1:2002 Milk and milk products — Determination of nitrate and nitrite contents — Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) — Technical Corrigendum 1
ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
ISO 14673-3:2004|IDF 189-3:2004 Determination of nitrate and nitrite content in milk and dairy products Part 3: Line dialysis cadmium reduction and flow injection analysis method (conventional method)
BS EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and flow injection analysis with in-line dialysis (routine method)
ISO 787-19:1974 General methods of test for pigments; part 19: determination of water-soluble nitrates (Salicylic acid method)
ISO 787-19:2020 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid method)
ISO 14673-2:2001/Cor 1:2002 Milk and milk products — Determination of nitrate and nitrite contents — Part 2: Method using segmented flow analysis (Routine method) — Technical Corrigendum 1
ISO 15517:2003/Amd 1:2012 Tobacco - Determination of nitrate content - Continuous-flow analysis method;- Amendment 1
ISO/CD 22863-15 Fireworks — Test methods for determination of specific chemical substances — Part 15: Qualitative identification of nitrates.
ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 14256-2:2005 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution - Part 2: Automated method with segmented flow analysis
ISO/DIS 22863-15:2023 Fireworks — Test methods for determination of specific chemical substances — Part 15: Qualitative identification of nitrates
ISO 21438-2:2009 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
ISO 10304-2:1995 Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 2: Determination of bromide, chloride, nitrate, nitrite, orthophosphate and sulfate in waste water
ISO 787-13:2019 General methods of test for pigments and extenders — Part 13: Determination of water-soluble sulphates, chlorides and nitrates
ISO 893:1989 Surface active agents; technical alkane sulfonates; methods of analysis
ISO 893:1978 Surface active agents — Technical sodium alkane sulphonates — Methods of analysis
ISO 787-13:2002 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates
ISO/DIS 21438-2 Workplace atmospheres — Determination of inorganic acids by ion chromatography — Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
ISO/FDIS 21438-2:2023 Workplace atmospheres — Determination of inorganic acids by ion chromatography — Part 2: Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
ISO/TR 14735:2013 Cosmetics - Analytical methods - Nitrosamines: Technical guidance document for minimizing and determining N-nitrosamines in cosmetics
ISO 894:1977 Surface active agents; Technical sodium primary alkylsulphates; Methods of analysis
ISO 895:1977 Surface active agents; Technical sodium secondary alkylsulphates; Methods of analysis
ISO/CD 22207:1980 Kraft lignin - Determination of thermal stability by Thermogravimetry

Professional Standard - Geology, Nitric acid qualitative analysis method

DZ/T 0064.58-2021 Methods of Analytical Groundwater Quality Part 58: Determination of Nitrate Disulfonic Acid Phenol Spectrophotometric Method
DZ/T 0064.60-2021 Analytical methods of groundwater quality - Part 60: Determination of nitrite spectrophotometric method
DZ/T 0064.59-2021 Methods of Analytical Groundwater Quality Part 59: Determination of Nitrate by Ultraviolet Spectrophotometry
DZ/T 0064.58-1993 Groundwater Quality Test Method for Determination of Nitrate by Disulfonic Acid Phenol Spectrophotometry
DZ/T 0064.51-2021 Analytical methods of groundwater quality - Part 51: Determination of chloride, fluoride, bromide, nitrate and sulfate by ion chromatography
DZ/T 0064.68-2021 Methods of Analytical Groundwater Quality Part 68: Determination of Oxygen Consumption by Acidic Potassium Permanganate Titration
DZ/T 0064.60-1993 Spectrophotometric method for determination of nitrite radicals in groundwater quality testing
DZ/T 0064.59-1993 Groundwater Quality Examination Method Determination of Nitrate by Ultraviolet Spectrophotometry
DZ/T 0064.69-2021 Methods of Analysis of Groundwater Quality Part 69: Determination of Oxygen Consumption Alkaline Potassium Permanganate Titration
DZ/T 0064.43-2021 Analytical methods for groundwater quality - Part 43: Determination of acidity by titration

Professional Standard - Rare Earth, Nitric acid qualitative analysis method

XB/T 606.1-1995 Chemical analysis methods for rare earth products Determination of fluorine content Thorium nitrate volumetric method
XB/T 601.1-1993 Lanthanum hexaboride chemical analysis method Determination of boron content by acid-base titration
XB/T 601.1-2008 Chemical analysis methods of lanthanum boride.Determination of boron content.Acid alkali titration method

Professional Standard - Non-ferrous Metal, Nitric acid qualitative analysis method

YS/T 535.2-2006 Method for chemical analysis of sodium fluoride Distillation-thorium nitrate volumetric method for determination of fluorine content
YS/T 37.1-2018 High-purity germanium dioxide chemical analysis method for determination of chlorine content by silver nitrate turbidimetric method
YS/T 581.3-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 3:Determination of fluoride content distillation-thorium nitrate titration volumetric method
YS/T 273.3-2006 Chemical analysis methods and physical properties of cryolite. Part 3:Determination of fluoride content by distillation-thorium nitrate titration
YS/T 746.1-2010 Methods for chemical analysis of lead-free tin-based solders- Part 1: Determination of tin content- Pyrogallic acid demasking-lead nitrate titrimetric method
YS/T 535.2-2009 Chemical analysis methods of sodium fluoride.Part 2:Determination of fluorine content.Distillation-thorium nitrate volumetric method
YS/T 561-2009 Method for chemical analysis of precious metals alloys.Platinum-rhodium alloys.Determination of rhodium content.Hexaammine cobalt nitrate gravimetriy
YS/T 581.8-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 8:Determination of sulphate content by barium sulphate gravimetric method
YS/T 273.8-2006 Chemical analysis methods and physical properties of cryolite. Part 8:Determination of sulphate content by barium sulphate gravimetric method
YS/T 535.5-2006 Method for chemical analysis of sodium fluoride - Determination of soluble sulfate content by nephelometric method
YS/T 271.1-1994 Xanthate Chemical Analysis Method Determination of Xanthate Content by Lead Acetate Titration
YS/T 535.7-2006 Sodium Fluoride Chemical Analysis Method for Determination of Acidity by Neutralization Method
YS/T 540.1-2006 Vanadium chemical analysis method Potassium permanganate-ferrous ammonium sulfate titration method for determination of vanadium content
YS/T 539.7-2006 Nickel-based alloy powder chemical analysis method Nitroso R salt spectrophotometric determination of cobalt content
YS/T 1604-2023 Methods for chemical analysis of ammonium molybdate— Determination of molybdenum content— Lead molybdate gravimetry
YS/T 519.1-2006 Arsenic chemical analysis method Potassium bromate volumetric method for determination of arsenic
YS/T 519.3-2006 Arsenic chemical analysis method barium sulfate gravimetric method for determination of sulfur content
YS/T 1047.11-2015 Methods for chemical analysis of copper magnetite.Part 11:Determination of magnet iron content.Potassium dichromate titration method
YS/T 938.1-2013 Chemical analysis methods of gold alloys and palladium alloys for dental ceramic restoration.Part 1:Determination of gold content.Gravimetry by sodium nitrite reduction
YS/T 426.2-2000 Method for chemical analysis of antimony-beryllium pellets.Determination of antimony content.Potassium bromate titrimetric method
YS/T 271.2-1994 Xanthate Chemical Analysis Method Acetic Acid Titration Determination of Free Alkali Content
YS/T 519.1-2009 Methods for chemical analysis of arsenic.Part 1:Determination of arsenic content.Potassium bromate titrimetric method
YS/T 248.3-1985 Crude lead chemical analysis method Determination of antimony content by cerium sulfate volumetric method
YS/T 535.6-2006 Sodium fluoride chemical analysis method gravimetric determination of carbonate content
YS/T 535.5-2009 Chemical analysis methods of sodium fluoride.Part 5:Determination of soluble sulphates content.Turbidimetric method
YS/T 240.6-2007 Methods for chemical analysis of bismuth concentrate.Determination of iron content.Potassium bichromate titrimetric method

Professional Standard - Machinery, Nitric acid qualitative analysis method

JB/T 9220.4-1999 Chemical analysis methods for acid slay of cupola.Determination of manganous oxide by volumetric method using sodium arsenite-sodium nitrite
JB/T 9493.2-1999 Method for chemical analysis of manganin and novokostant resistance alloy The ammonium nitrate oxidation - ammonium ferrous sulfate titrimetric method for determination of manganese content
JB/T 6237.11-1992 Silver powder chemical analysis method for electrical contacts Determination of nitrate content by benzidine visual colorimetry
JB/T 6237.9-2008 Test methods for chemical analysis of silver powder for electric contact material. Part 9: Determination of nitrate content
JB/T 9220.10-1999 Chemical analysis methods for acid slay of cupola.Determination of sulphur by gravimetric method using barium sulfate
JB/T 9220.11-1999 Chemical analysis methods for acid slay of cupola.Determination of sulphur by volumetric method using combustion of potassium iodate
JB/T 9220.7-1999 Chemical analysis methods for acid slay of cupola.Determination of calcium oxide by volumetric method using potassium permanganate
JB/T 9220.3-1999 Chemical analysis methods for acid slay of cupola.Determination of ferrous oxide by volumetric method using potassium dichromate
JB/T 9220.1-1999 Chemical analysis methods for acid slay of cupola.General rules and specification
JB/T 9220.2-1999 Chemical analysis methods for acid slay of cupola.Determination of silica by gravimetric method using perchloric acid dewatering

Association Francaise de Normalisation, Nitric acid qualitative analysis method

NF EN ISO 14673-3:2004 Lait et produits laitiers - Détermination des teneurs en nitrates et en nitrites - Partie 3 : méthode par réduction au cadmium et d'analyse par injection de flux avec dialyse en ligne (Méthode de routine)
NF T20-253:1968 Chemical analysis of hydrochloric, nitric and sulphuric acids. Spectrophotometric determination of iron.
NF V04-172-2*NF EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2 : method using segmented flow analysis (Routine method).
NF V37-039/A1*NF ISO 15517/A1:2012 Tobacco - Determination of nitrate content - Continuous-flow analysis method.
NF V37-039*NF ISO 15517:2003 Tobacco - Determination of nitrate content - Continuous-flow analysis method.
NF ISO 15517/A1:2012 Tabac - Détermination de la teneur en nitrates - Méthode par analyse en flux continu
NF ISO 15517:2003 Tabac - Détermination de la teneur en nitrates - Méthode par analyse en flux continu
NF EN ISO 14673-2:2004 Lait et produits laitiers - Détermination des teneurs en nitrates et en nitrites - Partie 2 : méthode d'analyse par flux continus segmentés (Méthode de routine)
NF V04-172-3*NF EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3 : method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method).
NF EN ISO 787-19:2020 Méthodes générales d'essais des pigments - Partie 19 : détermination des nitrates solubles dans l'eau (Méthode à l'acide salicylique)
NF M60-405:1998 Determination of plutonium in pure plutonium nitrate solutions. Gravimetric method.
NF ISO 14256-2:2007 Qualité du sol - Dosage des nitrates, des nitrites et de l'ammonium dans des sols bruts par extraction avec une solution de chlorure de potassium - Partie 2 : méthode automatisée avec analyse en flux segmenté
NF T31-240:1995 General methods of test for pigments. Part 19 : determination of water-soluble nitrates (salicylic acid method).
NF T31-230-19*NF EN ISO 787-19:2020 General methods of test for pigments - Part 19 : determination of water-soluble nitrates (Salicylic acid method)
NF EN 12014-2:2017 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 2 : méthode de détermination par CLHP/CI de la teneur en nitrates des légumes et des produits à base de légumes
NF B42-001-4*NF EN 725-4:2006 Advanced technical ceramics - Methods of test for ceramic powders - Part 4 : determination of oxygen content in aluminium nitride by XRF analysis.
NF X43-211-2*NF ISO 21438-2:2010 Workplace atmospheres - Determination of inorganic acids by ion chromatography - Part 2 : volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid).
NF X31-423-2*NF ISO 14256-2:2007 Soil quality - Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution - Part 2 : automated method with segmented flow analysis.
NF EN ISO 787-13:2019 Méthodes générales d'essai des pigments et matières de charge - Partie 13 : détermination des sulfates, chlorures et nitrates solubles dans l'eau
NF ISO 893:1990 Agents de surface - Alcanesulfonates techniques - Méthode d'analyse.
NF T31-247:2003 General methods of test for pigments and extenders - Part 13 : determination of water-soluble sulfates, chlorides and nitrates.
FD T75-637*FD ISO/TR 14735:2013 Cosmetics - Analytical methods - Nitrosamines : technical guidance document for minimising and determining N-nitrosamines in cosmetics
NF T73-292*NF EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analysis method.
NF EN 14670:2005 Agents de surface - Dodécylsulfate de sodium - Méthode d'analyse
NF T90-042:1995 Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions - Part 1 : method for water with low contamination.
NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.
NF ISO 21438-2:2010 Air des lieux de travail - Détermination des acides inorganiques par chromatographie ionique - Partie 2 : acides volatils, sauf acide fluorhydrique (acide chlorhydrique, acide bromhydrique et acide nitrique)
XP CEN ISO/TS 29843-1:2014 Qualité du sol - Détermination de la diversité microbienne du sol - Partie 1 : méthode par analyse des acides gras phospholipidiques (PLFA) et par analyse des lipides éther phospholipidiques (PLEL)
NF T73-233*NF ISO 893:1990 Surface active agents. Technical alkane sulfonates. Methods of analysis.

National Information Standard Organization, Nitric acid qualitative analysis method

BS EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using segmented flow analysis (Routine method)

RU-GOST R, Nitric acid qualitative analysis method

GOST 33831-2016 Ammonium nitrate and fertilizers on its base. Method for determination of chlorides mass fraction
GOST EN 12014-4-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 4. Determination of nitrate and nitrite content in meat products by ion-exchange chromatographic method
GOST R 50706.4-1994 Nitric acid for industrial use. Determination of chloride ions content. Potentiometric method
GOST EN 12014-2-2014 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2. HPLC/IC method for the determination of nitrate content of vegetables and vegetable products

Professional Standard - Coal, Nitric acid qualitative analysis method

MT/T 479-1995 Determination method of nitrate ion in acid water of coal mine

AT-ON, Nitric acid qualitative analysis method

ONORM M 6283-1990 Water analysis; determination of fluoride, Chloride, nitrite, Phosphate, bromide, nitrate and sulfate by Ion exchange chromatography
ONORM M 6238 Teil.2-1986 Water analysis; determination ofnitrate; 4-fluorophenol spectrometric method after distillation
ONORM M 6282-1987 Water analysis; determination ofnitrite; 4-aminobenzene Sulfonamide — N-(l-naphthyl)-1,2-diaminoethane-dihydrochloride spectrometric method

Professional Standard - Railway, Nitric acid qualitative analysis method

TB/T 2059.3-2006 Methods for analysis of diesel locomotive collants Part 3: Determination of sodium nitrite
TB/T 2544.2-1995 Quick Analysis Method for Corrosion Inhibitor in Cooling Water of Railway Diesel Locomotive Determination of Nitrite Ultraviolet Spectrophotometry

CEN - European Committee for Standardization, Nitric acid qualitative analysis method

EN ISO 14673-2:2001 Milk and Milk Products - Determination of Nitrate and Nitrite Contents - Part 2: Method Using Segmented Flow Analysis (Routine Method)
EN ISO 14673-3:2001 Milk and Milk Products - Determination of Nitrate and Nitrite Contents - Part 3: Method Using Cadmium Reduction and Flow Injection Analysis with In-Line Dialysis (Routine Method)

Lithuanian Standards Office , Nitric acid qualitative analysis method

LST EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004)
LST EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004)
LST EN 12014-2-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
LST EN ISO 787-19:2002 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicyclic acid method) (ISO 787-19:1974)
LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
LST EN 14670-2005 Surface active agents - Sodium dodecyl sulfate - Analytical method

AENOR, Nitric acid qualitative analysis method

UNE-EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004)
UNE-EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrate contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) (ISO 14673-3:2004)
UNE 118027:2013 Tobacco and tobacco products. Determination of nitrates. Analysis methods by continuos flow and liquid cromatography.
UNE-EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
UNE-EN ISO 787-19:1996 GENERAL METHODS OF TEST FOR PIGMENTS. PART 19: DETERMINATION OF WATER-SOLUBLE NITRATES (SALICYCLIC ACID METHOD). (ISO 787-19:1974).
UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).
UNE 55510:1991 SURFACE ACTIVE AGENTS. TECHNICAL ALKANE SULFONATES. METHODS OF ANALYSIS.
UNE-EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
UNE 77035:1983 WATER ANALYSIS METHODS IN INDUSTRIAL WASTES. DETERMINATION OF ACIDITY

Korean Agency for Technology and Standards (KATS), Nitric acid qualitative analysis method

KS H ISO 15517:2007 Tobacco－Determination of nitrate content－Continuous-flow analysis method
KS H ISO 15517:2017 Tobacco－Determination of nitrate content－Continuous-flow analysis method
KS H ISO 15517-2017(2022) Tobacco－Determination of nitrate content－Continuous-flow analysis method
KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS M ISO 787-19-2007(2017) General methods of test for pigments－Part 19：Determination of water－soluble nitrates (Salicylic acid method)
KS M ISO 787-19:2022 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid method)
KS M ISO 10304-2:2008 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS M ISO 10304-2:2003 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS M ISO 787-19:2007 General methods of test for pigments－Part 19：Determination of water－soluble nitrates (Salicylic acid method)
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 14256-2:2006 Soil quality-Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution-Part 2:Automated method with segmented flow analysis
KS I ISO 14256-2-2016(2021) Soil quality－Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution－Part 2：Automated method with segmented flow analysis
KS I ISO 14256-2:2016 Soil quality－Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution－Part 2：Automated method with segmented flow analysis
KS M ISO 787-13-2012(2017) General methods of test for pigments and extenders－Part 13：Determination of water-soluble sulfates, chlorides and nitrates
KS M 1810-2008(2018) Analysis method for determination of lead and cadmium in resistance
KS M ISO 787-13:2012 General methods of test for pigments and extenders－Part 13：Determination of water-soluble sulfates, chlorides and nitrates
KS M ISO 787-13:2022 General methods of test for pigments and extenders — Part 13: Determination of water-soluble sulfates, chlorides and nitrates
KS M ISO 894-2007(2018) Surface active agents－Technical sodium primary alkylsulphates－Methods of analysis
KS M ISO 893-2007(2018) Surface active agents－Technical alkane sulfonates－Methods of analysis
KS D ISO 7528-2012(2017) Nickel alloys－Determination of iron content－Titrimetric method with potassium dichromate
KS M ISO 893:2007 Surface active agents－Technical alkane sulfonates－Methods of analysis
KS M ISO 895-2007(2018) Surface active agents－Technical sodium secondary alkylsulphates－Methods of analysis

Professional Standard - Electricity, Nitric acid qualitative analysis method

DL/T 502.30-2006 Analytical methods of steam and water in power plants Part 30: Determination of nitrates (Spectrometric method using salicylic acid)

NL-NEN, Nitric acid qualitative analysis method

NEN 6652-1992 Water- Photometric determination of the sum of the contents of dissolved nitrate and nitrite by continuous flow analysis
NEN 6653-1992 Water - Photometric determination of the content of dissolved nitrite by continuous flow analysis

International Dairy Federation (IDF), Nitric acid qualitative analysis method

IDF 189-2-2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)
IDF 189-3-2001 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)

Danish Standards Foundation, Nitric acid qualitative analysis method

DS/EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method)
DS/EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
DS/EN ISO 787-19:1995 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method)
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2:HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DS/EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
DS/EN ISO 787-13:2002 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates
DS/EN ISO 21569:2005 Foodstuffs - Methods of analysis for the detection of genetically modified organisms and derived products - Qualitative nucleic acid based methods

American Society for Testing and Materials (ASTM), Nitric acid qualitative analysis method

ASTM D5143-06(2010)e1 Standard Test Method for Analysis of Nitroaromatic and Nitramine Explosive in Soil by High Performance Liquid Chromatography
ASTM D5143-91(2004) Standard Test Method for Analysis of Nitroaromatic and Nitramine Explosive in Soil by High Performance Liquid Chromatography
ASTM D5143-91(2004)e1 Standard Test Method for Analysis of Nitroaromatic and Nitramine Explosive in Soil by High Performance Liquid Chromatography
ASTM D5143-90(1998) Standard Test Method for Analysis of Nitroaromatic and Nitramine Explosive in Soil by High Performance Liquid Chromatography
ASTM D5143-06(2015)e1 Standard Test Method for Analysis of Nitroaromatic and Nitramine Explosive in Soil by High Performance Liquid Chromatography
ASTM D5143-06e1 Standard Test Method for Analysis of Nitroaromatic and Nitramine Explosive in Soil by High Performance Liquid Chromatography
ASTM D3133-96 Standard Test Method for Quantitative Determination of Cellulose Nitrate in Alkyd Modified Lacquers by Infrared Spectrophotometry
ASTM C1413-99 Standard Test Method for Isotopic Analysis of Hydrolyzed Uranium Hexafluoride and Uranyl Nitrate Solutions by Thermal Ionization Mass Spectrometry
ASTM C1413-18 Standard Test Method for Isotopic Analysis of Hydrolyzed Uranium Hexafluoride and Uranyl Nitrate Solutions by Thermal Ionization Mass Spectrometry
ASTM C759-10 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Nitrate Solutions
ASTM D4046-91(2000)e1 Standard Test Method for Alkyl Nitrate in Diesel Fuels by Spectrophotometry
ASTM D4046-11 Standard Test Method for Alkyl Nitrate in Diesel Fuels by Spectrophotometry
ASTM D4046-91(2005) Standard Test Method for Alkyl Nitrate in Diesel Fuels by Spectrophotometry
ASTM D4046-14 Standard Test Method for Alkyl Nitrate in Diesel Fuels by Spectrophotometry
ASTM C759-98 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Nitrate Solutions
ASTM C759-04 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Plutonium Nitrate Solutions
ASTM C799-12 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions
ASTM D1844-86(1999) Standard Test Methods for Chemical Analysis of Basic Lead Silicochromate
ASTM D2548-69 Method of Analysis of Oil Soluble Petroleum Sulfonates by Liquid Chromatography
ASTM D1844-86(2020) Standard Test Methods for Chemical Analysis of Basic Lead Silicochromate
ASTM C799-19 Standard Test Methods for Chemical, Mass Spectrometric, Spectrochemical, Nuclear, and Radiochemical Analysis of Nuclear-Grade Uranyl Nitrate Solutions

KR-KS, Nitric acid qualitative analysis method

KS H ISO 15517-2017 Tobacco－Determination of nitrate content－Continuous-flow analysis method
KS M ISO 787-19-2022 General methods of test for pigments — Part 19: Determination of water-soluble nitrates (Salicylic acid method)
KS M ISO 10304-2-2003 Water quality－Determination of dissolved anions by liquid chromatography of ions－Part 2：Determination of bromide, chloride, nitrate,nitrite, orthophosphate and sulfate in waste water
KS I ISO 14256-2-2016 Soil quality－Determination of nitrate, nitrite and ammonium in field-moist soils by extraction with potassium chloride solution－Part 2：Automated method with segmented flow analysis
KS E ISO 316-2011 Manganese ores－Determination of cobalt content－Nitroso-R-salt photometric method
KS M ISO 787-13-2022 General methods of test for pigments and extenders — Part 13: Determination of water-soluble sulfates, chlorides and nitrates
KS M ISO 893-2007(2023) Surface active agents－Technical alkane sulfonates－Methods of analysis
KS M ISO 894-2007(2023) Surface active agents－Technical sodium primary alkylsulphates－Methods of analysis
KS M ISO 895-2007(2023) Surface active agents－Technical sodium secondary alkylsulphates－Methods of analysis

中华人民共和国环境保护部, Nitric acid qualitative analysis method

GB 6764-1986 Radiochemical analysis of strontium-90 in water Preclpitation by fuming nitric acid

VN-TCVN, Nitric acid qualitative analysis method

TCVN 6268-2-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 2: Method using segmented flow analysis (Routine method)
TCVN 6268-3-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method)
TCVN 7101-2002 Tobacco.Determination of nitrate by continuous flow analysis

Group Standards of the People's Republic of China, Nitric acid qualitative analysis method

T/QAS 082.3-2022 Chemical Analysis of Rock Salt and Glauber's Salt Part 3: Determination of Nitrate by Ultraviolet Spectrophotometry
T/CSTM 00780.1-2023 Methods for chemical analysis of sodium vanadate—Part 1: Determination of vanadium content —Ammonium ferrous sulfate titrimetric method

Japanese Industrial Standards Committee (JISC), Nitric acid qualitative analysis method

JIS K 0170-2:2011 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0170-2:2019 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 1468-3:1999 Acid-grade fluorspar -- Method for chemical analysis Part 3: Determination of silica content
JIS K 1468-5:1999 Acid-grade fluorspar -- Method for chemical analysis -- Part 5: Determination of arsenic content
JIS K 1468-4:1999 Acid-grade fluorspar -- Method for chemical analysis -- Part 4: Determination of total phosphorus content
JIS K 1468-1:1999 Acid-grade fluorspar -- Method for chemical analysis -- Part 1: Determination of moisture content of a lot

SE-SIS, Nitric acid qualitative analysis method

SIS SS-ISO 7476:1992 Determination of uranium in uranyl nitrate solutions of nuclear grade quality — Gravimetric method

European Committee for Standardization (CEN), Nitric acid qualitative analysis method

EN ISO 14673-2:2004 Milk and milk products Determination of nitrate and nitrite contents Part 2: Method using segmented flow analysis (Routine method) ISO 14673-2:2004
EN ISO 787-19:2020 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020)
EN ISO 14673-3:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 3: Method using cadmium reduction and flow injection analysis with in-line dialysis (Routine method) ISO 14673-3:2004
EN ISO 787-19:1995 General Methods of Test for Pigments - Part 19: Determination of Water-Soluble Nitrates (Salicylic Acid Method) (ISO 787-19 : 1974)
EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN 14670:2005 Surface active agents - Sodium dodecyl sulfate - Analytical method
EN ISO 787-13:2019 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates (ISO 787-13:2019)

Professional Standard - Commodity Inspection, Nitric acid qualitative analysis method

SN/T 2681-2010 Test method for identification of polylactic acid fibre fibre mixtures
SN/T 0480.13-1995 Method of analysis baryte for export.Determinationof alkali-soluble carbonate1995-09-06
SN/T 0480.5-1995 Method of analysis baryte for export.Determinationof barium sulphate

Qinghai Provincial Standard of the People's Republic of China, Nitric acid qualitative analysis method

DB63/T 1612-2017 Chemical analysis method for fixed carbon in carbonate-containing graphite ore Nitric acid treatment High-frequency infrared carbon-sulfur analyzer method

Professional Standard - Military and Civilian Products, Nitric acid qualitative analysis method

WJ 9050-2006 Test method and judgment of antiknock performance of agricultural ammonium nitrate

国防科学技术工业委员会, Nitric acid qualitative analysis method

WJ/T 9050-2006 Test method and determination of anti-explosion performance of agricultural ammonium nitrate

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Nitric acid qualitative analysis method

GB/T 34609.1-2017 Method for chemical analysis of rhodium compounds—Part 1: Determination of rhodium content—Gravimetric method with hexaammine cobalt nitrate

工业和信息化部, Nitric acid qualitative analysis method

YS/T 1319.1-2019 Methods for chemical analysis of tetraammine platinum nitrate Part 1: Determination of platinum content Hydrazine hydrate reduction method
YS/T 1380-2020 Chemical analysis methods for rhodium compounds Determination of chloride ion and nitrate ion content Ion chromatography
YS/T 273.8-2020 Methods of chemical analysis and physical properties of cryolite Part 8: Determination of sulfate content Barium sulfate gravimetric method
YS/T 535.11-2020 Methods for chemical analysis of sodium fluoride Part 11: Determination of sodium fluorosilicate content Acid-base titration method
YS/T 540.1-2018 Methods for chemical analysis of vanadium Part 1: Determination of vanadium content Potassium permanganate-ferrous ammonium sulfate titration method

ES-UNE, Nitric acid qualitative analysis method

UNE-EN ISO 787-19:2021 General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO 787-19:2020)
UNE-EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
UNE-EN ISO 787-13:2020 General methods of test for pigments and extenders - Part 13: Determination of water-soluble sulfates, chlorides and nitrates (ISO 787-13:2019)

Professional Standard - Aerospace, Nitric acid qualitative analysis method

QJ/Z 90-1982 Analytical method of acidic copper plating solution
QJ/Z 96-1982 Analytical method of acidic tin plating solution
QJ/Z 101-1982 Analytical method of citric acid gold plating solution
QJ 1464-1988 Analysis method of acidic bright copper plating solution for printed boards

Xinjiang Provincial Standard of the People's Republic of China, Nitric acid qualitative analysis method

DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil

RO-ASRO, Nitric acid qualitative analysis method

STAS SR 13300-4-1994 Starches. Methods of analysis. Acidity determination
STAS SR 13359-6-1998 Glucose. Methods of analysis. Acidity determination
SR 2567-1-1997 Soft drinks - Methods of analysis - Determination of total acidity (Uzual method )

国家质量监督检验检疫总局, Nitric acid qualitative analysis method

SN/T 4589-2016 Improved cadmium reduction analysis method for rapid determination of nitrate in exported vegetables

Professional Standard - Agriculture, Nitric acid qualitative analysis method

SN/T 1690.1-2012 New analytical methods for textile fiber composition - Part 1: Determination of soybean protein composite fiber content by nitric acid method
空气和废气监测分析方法 4.2.4-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Method Tetranitrate
空气和废气监测分析方法 4.2.5-2003 Part 4 Precipitation Monitoring Chapter 2 Precipitation Monitoring Analysis Methods Pentanitrite

IT-UNI, Nitric acid qualitative analysis method

ZA-SANS, Nitric acid qualitative analysis method

SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

CZ-CSN, Nitric acid qualitative analysis method

CSN 56 0512-19-1995 Methods of milled products analysis - Part 19: Detennination of ash insoluble in acid
CSN 56 0130-7-1995 Methods of confectione?s products analysis - Part 7: Detenninatíon of titratable acids
CSN 56 0512-9-1993 Methods of milled products analysis - Part 9: Determination of titratable acids
CSN 56 0116-10-1995 Methods of baked products analysis - Part 10: Determination of titratable acids

Standard Association of Australia （SAA）, Nitric acid qualitative analysis method

AS 3580.3.1:1990 Methods for sampling and analysis of ambient air - Determination of acid gases - Titrimetric method
AS 4969.13:2009
AS 2489.11:2003 Methods for the analysis of zircon sand concentrates - Determination of acid demand value

PL-PKN, Nitric acid qualitative analysis method

PN C04404-09-1986 Pigments for paints General methods of test Determination of water-soluble sulphates, chlorides and nitrates

IN-BIS, Nitric acid qualitative analysis method

Professional Standard - Public Safety Standards, Nitric acid qualitative analysis method

GA/T 819-2009 Analytical method of acid dyes on the protein fibers

国家林业局, Nitric acid qualitative analysis method

LY/T 2706-2016 Gas chromatographic analysis method of modified rosin resin acid

Professional Standard - Ocean, Nitric acid qualitative analysis method

HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell

Association of German Mechanical Engineers, Nitric acid qualitative analysis method

VDI 3870 Blatt 13-1996 Analysis of rainwater - Determination of chloride, nitrate and sulfate in rainwater by ion chromatography using the suppressor technique

Fujian Provincial Standard of the People's Republic of China, Nitric acid qualitative analysis method

DB35/T 1670-2017 98% formic acid method for quantitative analysis of cotton and spandex blends

Professional Standard - Nuclear Industry, Nitric acid qualitative analysis method

EJ/T 1231.3-2008 Test method for analysis of impurity in diuranate.Part3: Determination of sulphate by barium sulfate turbidimetry

TH-TISI, Nitric acid qualitative analysis method

TIS 1780.13-1999 General methods of test for pigments.part ⅩⅢ: determination of water-soluble sulphates, chlorides and nitrates

农业农村部, Nitric acid qualitative analysis method

NY/T 2990-2016 Qualitative and quantitative analysis methods for banned and restricted pesticides

Professional Standard - Urban Construction, Nitric acid qualitative analysis method

CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method

YU-JUS, Nitric acid qualitative analysis method

JUS B.B8.083-1981 Calcium carbonatepigments. Methods for chernicalanalysis. Alkalinity (as Na2 CO3).