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Total nitrogen analysis and detection method

Total nitrogen analysis and detection method, Total:499 items.

In the international standard classification, Total nitrogen analysis and detection method involves: Water quality, Fertilizers, Rubber, Medical sciences and health care facilities in general, Metalliferous minerals, Soil quality. Pedology, Medical equipment, Products of the textile industry, Sugar. Sugar products. Starch, Inorganic chemicals, Products of the chemical industry, Tea. Coffee. Cocoa, Ferrous metals, Non-ferrous metals, Analytical chemistry, Ferroalloys, Crude petroleum, Fuels, Coals, Natural gas, Beverages, Sensory analysis, Refractories, Spices and condiments. Food additives, Milk and milk products, Optics and optical measurements, Insulating fluids, Non-metalliferous minerals, Welding, brazing and soldering, Testing of metals, Powder metallurgy, Measurement of fluid flow, Geology. Meteorology. Hydrology, Nuclear energy engineering, Processes in the food industry, Quality, Edible oils and fats. Oilseeds, Power stations in general, Farming and forestry, Air quality, Road engineering, Characteristics and design of machines, apparatus, equipment, Burners. Boilers, Tobacco, tobacco products and related equipment, Construction materials, Ceramics, Electrical wires and cables, Electrical accessories, Protection against fire, Textile fibres, Environmental testing, General methods of tests and analysis for food products, Non-destructive testing, Radiation measurements, Veterinary medicine, TESTING.

Japanese Industrial Standards Committee (JISC), Total nitrogen analysis and detection method

JIS K 0170-3:2011 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-3:2019 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-1:2011 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0170-1:2019 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus
JIS G 1311-7:2012 Method for chemical analysis of ferromanganese -- Part 7: Determination of nitrogen content
JIS G 1313-6:2012 Method for chemical analysis of ferrochromium .Part 6: Determination of nitrogen content
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 0170-4:2011 Testing methods for water quality by flow analysis -- Part 4: Orthophosphate and total phosphorus
JIS K 0170-4:2019 Testing methods for water quality by flow analysis -- Part 4: Orthophosphate and total phosphorus
JIS K 1468-4:1999 Acid-grade fluorspar -- Method for chemical analysis -- Part 4: Determination of total phosphorus content
JIS L 1940-3:2014 Textiles.Methods for determination of certain aromatic amines derived from azo colorants.Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
JIS L 1940-3:2019 Textiles -- Methods for determination of certain aromatic amines derived from azo colorants -- Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
JIS K 0170-7:2011 Testing methods for water quality by flow analysis -- Part 7: Chromium (VI)
JIS K 0170-5:2011 Testing methods for water quality by flow analysis -- Part 5: Phenol index
JIS K 0170-5:2019 Testing methods for water quality by flow analysis -- Part 5: Phenol index
JIS K 0170-7:2019 Testing methods for water quality by flow analysis -- Part 7: Chromium (VI)

AENOR, Total nitrogen analysis and detection method

UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
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-EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)

British Standards Institution (BSI), Total nitrogen analysis and detection method

BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
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 EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS 6986-4:1990 Analysis of instant tea. Method for determination of total ash
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS 5551 SubSec.4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
BS 6049-4:1988 Methods of test for tea. Determination of total ash
BS 1742-5.1:1991 Methods for chemical analysis of condensed milks - Determination of nitrogen content - Reference method
BS 1742-5.2:1991 Methods for chemical analysis of condensed milks - Determination of nitrogen content - Routine method
BS 1715-2.2:1989 Analysis of soaps. Quantitative test methods. Method for determination of total free alkali content
BS 6200-3.22.3:1986 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: spectrophotometric method (for trace amounts)
BS 5551 SubSec.4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS 3762-3.13:1983 Analysis of formulated detergents. Quantitative test methods. Method for determination of total boron content
BS 1742 Sec.5.2:1991 Methods for chemical analysis of condensed milks. Determination of nitrogen content. Routine method
BS 1016-106.2:1997 Methods for analysis and testing of coal and coke - Ultimate analysis of coal and coke - Determination of nitrogen content
BS 6200 SubSec.3.22.1:1992 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: volumetric method
BS 684-2.8:1977 Methods of analysis of fats and fatty oils - Other methods - Determination of total neutral oil
BS 7020-4.2:1990 Analysis of iron ores. Method for the determination of total iron content. Titanium (III) chloride reduction methods
BS 1741-5.2:1990 Methods for chemical analysis of liquid milk and cream - Determination of the nitrogen content of liquid milk - Routine method
BS 4325-2:1978 Methods for analysis of oilseed residues - Determination of total ash
BS 3762-3.19:1983 Analysis of formulated detergents. Quantitative test methods. Method for determination of total phosphorus (V) oxide content
BS 6200 SubSec.3.22.2:1985 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: spectrophotometric method
BS 1741 Sec.5.2:1990 Methods for chemical analysis of liquid milk and cream. Determination of the nitrogen content of liquid milk. Routine method
BS 1741-5.1:1988 Methods for chemical analysis of liquid milk and cream - Determination of the nitrogen content of liquid milk - Reference method
BS 1016-105:1992 Methods for analysis and testing of coal and coke - Determination of gross calorific value
BS 1016-106.4.2:1996 Methods for analysis and testing of coal and coke. Ultimate analysis of coal and coke. Determination of total sulfur content. High temperature combustion method
BS 6200 SubSec.3.22.3:1986 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: spectrophotometric method (for trace amounts)
BS 5551-4.1.4:1984 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
BS ISO 12828-1:2011 Validation method for fire gas analysis. Limits of detection and quantification
BS 6200-3.22.1:1992 Sampling and analysis of iron, steel and other ferrous metals - Methods of analysis - Determination of nitrogen - Steel: volumetric method
BS 1741 Sec.5.1:1988 Methods for chemical analysis of liquid milk and cream. Determination of the nitrogen content of liquid milk. Reference method
BS 3762-3.5:1986 Analysis of formulated detergents - Quantitative test methods - Methods for determination of total organic matter content
BS 3762-3.21:1986 Analysis of formulated detergents - Quantitative test methods - Method for determination of total silica content
BS PD ISO/TS 21569-4:2016 Horizontal methods for molecular biomarker analysis. Methods of analysis for the detection of genetically modified organisms and derived products. Real-time PCR based screening methods for the detection of the P-nos and P-nos-np
BS 1016-102:2000 Methods for analysis and testing of coal and coke - Determination of total moisture of coke
BS EN 583-6:2008 Non-destructive testing - Ultrasonic examination - Time-of-flight diffraction technique as a method for detection and sizing of discontinuities
BS ISO 22066:2020 Water quality. Determination of total cyanide. Method using segmented flow injection, in-line ultraviolet digestion analysis by gas diffusion and amperometric detection
BS EN ISO 15681-2:2004 Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Method by continuous flow analysis (CFA)
BS ISO 8196-3:2009 Milk - Definition and evaluation of the overall accuracy of alternative methods of milk analysis - Protocol for the evaluation and validation of alternative quantitative methods of milk analysis
BS EN 14362-1:2003 Textiles - Methods for the determination of certain aromatic amines derived from azo colorants - Detection of the use of certain azo colorants accessible without extraction
BS EN 14362-1:2012 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants accessible with and without extracting the fibres
BS EN ISO 14362-1:2017 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants accessible with and without extracting the fibres
BS 684 Sec.2.8:1977 Methods of analysis of fats and fatty oils. Other methods. Determination of total neutral oil
BS 1741-6.1:1990 Methods for chemical analysis of liquid milk and cream - Determination of casein nitrogen content of liquid milk - Reference method
BS 1741-6.2:1990 Methods for chemical analysis of liquid milk and cream - Determination of casein nitrogen content of liquid milk - Routine method
BS 3762-3.7:1986 Analysis of formulated detergents - Quantitative test methods - Method for determination of total non-ionic matter content
BS PD ISO/TS 17951-1:2016 Water quality. Determination of fluoride using flow analysis (FIA and CFA). Method using flow injection analysis (FIA) and spectrometric detection after off-line distillation
BS PD ISO/TS 21569-5:2016 Horizontal methods for molecular biomarker analysis. Methods of analysis for the detection of genetically modified organisms and derived products. Real-time PCR based screening method for the detection of the FMV promoter (P-FMV) DNA sequence
BS PD ISO/TS 21569-6:2016 Horizontal methods for molecular biomarker analysis. Methods of analysis for the detection of genetically modified organisms and derived products. Real-time PCR based screening methods for the detection of cry1Ab/Ac and Pubi-c
BS 7319-10:1990 Analysis of sodium chloride for industrial use - Method for determination of pH and total alkalinity
BS 1741-12:1992 Methods for chemical analysis of liquid milk and cream - Determination of total phosphorus content of milk

国家市场监督管理总局、中国国家标准化管理委员会, Total nitrogen analysis and detection method

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 20975.24-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 24：Determination of total rare earth content
GB/T 14635-2020 Rare earth metals and their compounds—Determination of total rare earth content

Professional Standard - Commodity Inspection, Total nitrogen analysis and detection method

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
SN/T 0736.11-2002 Chemical analysis of fertilizers for import and export.Determination of nitrogen content by auto analyzer
SN/T 2115-2008 Determination of the hotel nitrogen content and calculation of the crude protein content in food and feed for import and export.Combustion according to the Dumas principle
SN/T 0736.5-2010 Test method of import and export fertilizers.Part 5: Determination of nitrogen content
SN/T 3005-2011 Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals
SN/T 1031.2-2001 Method for the chemical analysis of crude antimony trioxide for export.Determination of total antimony content
SN/T 1966-2007 Determination of chloramphenicol residues in aquatic product.Radio-receptor assay method
SN/T 0481.9-2010 Methods for inspection of bauxite for export.Part 9:Determination of free iron content.1,10-Phenanthroline spectrophotometric method

Professional Standard - Hygiene , Total nitrogen analysis and detection method

WS/T 409-2013 Estimation of total analytical error for clinical laboratory methods

Danish Standards Foundation, Total nitrogen analysis and detection method

DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
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 ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
DS/ISO 12828-1:2012 Validation method for fire gas analysis - Part 1: Limits of detection and quantification

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Total nitrogen analysis and detection method

GB/T 6730.24-1986 Methods for chemical analysis of iron ores--The arsenazo 3 photometric method for the determination of rare earth elements content
GB/T 17592.3-1998 Textiles--Test method of the use of banned azo colourants--Thin-layer chromatography
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB 223.49-1985 Methods for chemical analysis of iron,steel and alloy--The extraction separation-chlorophosphonazo mA photometric method for the determination of rare earth elements
GB/T 223.49-1994 Methods for chemical analysis of iron,steel and alloy. Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare tarth content
GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum
GB/T 5687.4-1985 Methods for chemical analysis of ferro-chromium--The neutralization titration method for the determination of nitrogen content
GB/T 6987.24-2001 Aluminium and aluminium alloys--Determination of the cerium subgroup of rare earth elements content--Tribromoarsenazo spectrophotometric method
GB/T 4324.26-1984 Methods for chemical analysis of tungsten--The Nessler reagent photometric method for the determination of nitrogen content
GB/T 4325.26-1984 Methods for chemical analysis of molybdenum--The nessler reagent photometric method for the determination of nitrogen content
GB/T 4324.6-1984 Methods for chemical analysis of tungsten--The ortho-phenanthroline photometric method for the determination of iron content
GB/T 4325.15-1984 Methods for chemical analysis of molybdenum--The chlorophosphonazo 1 photometric method for the determination of magnesium content
GB/T 4325.6-1984 Methods for chemical analysis of molybdenum--The ortho-phenanthroline photometric method for the determination of iron content
GB/T 4324.15-1984 Methods for chemical analysis of tungsten--The chlorophosphonazo I photometric method for the determination of magnesium content
GB/T 8220.2-1998 Methods for chemical analysis bismuth--Determination of iron content--1,10-Phenanthroline photometric method
GB/T 20931.9-2007 Methods for chemical analysis of lithium Determination of nitrogen content Mercuric potassium iodide spectrophotometric method
GB/T 21172-2007 Sensory analysis.General guidance and test method for assessment of the colour of foods
GB 10267.5-1988 Analytical method for calcium metal Distillation-Nessler reagent photometric determination of nitrogen
GB/T 10267.5-1988 Method for analysis of calcium metal--The determination of nitrogen by distillation--Nessler reagent photometric method
GB 223.36-1985 Methods for chemical analysis of iron,steel and alloy--The volumetric method for the determination of nitrogen content after distillation separation
GB/T 20931.4-2007 Methods for chemical analysis of lithium Determination of iron content Orthopenanthroline spectrophotometric method
GB 223.37-1985 Methods for chemical analysis of iron, steel and alloys Distillation separation-volumetric determination of nitrogen content
GB/T 8158.4-1987 Methods for chemical analysis of sodium fluoride--The 1,10-phenanthroline spectro photometric method for the determination of iron content
GB/T 8654.1-1988 Methods for chemical analysis of manganese metal--The ortho-phenanthroline photometric method for the determination of iron content
GB/T 15075-1994 Method for testing EPMA instrument
GB/T 14849.1-1993 Silicon metal.Determination of iron content.1,10-Phenanthroline spectrophotometric method
GB/T 3169.2-1982 Chemical analysis of aluminum powder--Determination of total aluminum by difference
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers.Part 1:Total nitrogen content
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 223.36-1994 Methods for chemical analysis of iron, steel and alloy. The neutral titration method for the determinaion of nitrogen content after distillation separation
GB/T 10574.5-1989 Tin-lead solders--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB/T 16478.10-1996 Methods for chemical analysis of thorium nitrate.Determination of total rare earth content
GB/T 6730.25-1986 Methods for chemical analysis of iron ores--The gravimetric method for the determination of rare earth elements content
GB/T 5124.1-1985 Methods for chemical analysis of hardmetals--The gravimetric method for the determination of total carbon content
GB/T 6609.4-1986 Methods for chemical analysis of aluminium oxide--The orthophenanthroline photometric method for the determination of ferric oxide content
GB/T 4375.4-1984 Methods for chemical analysis of gallium--The 4,7-diphenyl-1,10-phenanthroline photometric method for the determination of iron content
GB/T 4324.6-2012 Methods for chemical analysis of tungsten.Part 6:Determination of iron content.1,10-phenanthroline spectrophotometry
GB/T 3260.2-2013 Methods for chemical analysis of tin.Part 2:Determination of iron content.1,10-phenanthroline photometric method
GB/T 6987.4-2001 Aluminium and aluminium alloys--Determination of iron content--Orthopenanthroline photometric method
GB/T 7315.3-1987 Methods for chamical analysis of vanadium pentixide--The ortho-phenanthroline spectrophotometric method forthe determination of iron content
GB/T 13747.2-1992 Zirconium and zirconium alloys--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB/T 13748.4-1992 Magnesium and its alloys--Determination of cerium content--Tribromoarsenazo spectrophotometric method
GB 223.37-1989 Methods for chemical analysis of iron,steel and alloy The indophenol blue photometric methods for the determination of nitrogen content after distillation seperation
GB/T 13748.5-1992 Magnesium and its alloys--Determination of iron content--Orthophenanthroline spectrophotometric method
GB/T 223.37-1989 Methods for chemical analysis of iron,steel and alloy--The indophenol blue photometric methods for the determination of nitrogen content after distillation separation
GB/T 4698.7-2011 Methods for chemical analysis of titanium sponge, titanium and titanium alloys.Determination of oxygen and nitrogen content
GB/T 6730.50-1986 Methods for chemical analysis of iron ores--The gas volumetric method for the determination of total carbon content
GB/T 5124.1-2008 Methods for chemical analysis of hardmetals.Determination of total carbon content.Gravimetric method
GB 6730.50-1986 Methods for chemical analysis of iron ores--The gas volumetric method for the determination of total content
GB/T 6609.35-2023 Methods of chemical analysis and determination of physical properties of alumina Part 35: Determination of specific surface area Nitrogen adsorption method
GB/T 6609.35-2009 Chemical analysis methods and determination of physical performance of alumina-Part 35: Determination of specific surface area by nitrogen adsorption
GB/T 15076.4-2020 Methods for chemical analysis of tantalum and niobium—Part 4:Determination of iron content—1,10-Phenanthroline spectrophotometry
GB/T 4375.2-1984 Methods for chemical analysis of gallium--The 4-(2-pyridylazo)-resorcinol photometric method for the determination of lead content
GB/T 8156.7-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The 1,10-phenanthroline photometric method for the determination of iron content
GB/T 15079.12-1994 Molybdenum concentrates-Determination of oil and moisture content
GB/T 16480.5-1996 Method for chemical analysis of yttrium and yttium oxide--Determination of nitrogen content
GB/T 23278.2-2009 Methods for chemical analysis of sodium stannate.Part 2:Determination of iron content.1,10-phenanthroline photometric method
GB/T 6730.44-1986 Methods for chemical analysis of iron ores--The 1-(2-pyridylazo)-2-naphthol photometric method for the determination of zinc content
GB/T 223.33-1994 Methods for chemical analysis of iron,steel and alloy. The chlorophosphonazo mA photometric method for the determination of cerium content after extraction separation
GB 223.33-1984 Methods for chemical analysis of iron,steel and alloy--The chlorophosphonazo mA photometric method for the determination of cerium content after extraction separation
GB/T 13748.9-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of iron content.Orthopenanthroline spectrophotometric method
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry
GB/T 14506.5-2010 Methods for chemical analysis of silicate rocks.Part 5:Determination of ferric oxide content
GB/T 23274.2-2009 Methods for chemical analysis of stannic oxide.Part 2:Determination of iron content.1，10-phenanthroline photometric method
GB/T 14849.1-2007 Methods for chemical analysis of silicon metal-Part 1:Determination of iron content-1,10-Phenanthrolion spectrophotometric method
GB/T 13747.23-1992 Zirconium and zirconium alloys--Determination of nitrogen content--Distillation--Nessler reagent spectrophotometric method
GB/T 5195.5-1985 Methods for chemical analysis of fluor-spar--The combustion-potassium iodate volumetric method for the determination of total sulphur content
GB/T 3253.2-2008 Methods for chemical analysis of antimony and antimony trioxide.Determination of iron content.Orthophenanthroline spectrophotometric method
GB/T 4698.2-1996 Sponge titanium, titanium and titanium alloys--Determination of iron content--1,10-Phenanthroline spectrophotometric method
GB/T 10574.7-1989 Tin-lead solders--Determination of copper content--2,9-dimethyl-1,10-phenanthroline spetrophotometric method
GB/T 12689.11-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of lanthanum and cerium contents-The tri-bromide arsenazo spectrophotometric method
GB/T 3257.5-1999 Methods for chemical analysis of bauxite--Determination of iron oxide content--Orthophenanthroline photometric method
GB/T 4374.2-1984 Methods for chemical analysis of magnesium powders and aluminum-magnesium alloy powders--The 1,10-phenanthroline photometric method for the determination of iron content
GB/T 13748.9-2013 Chemical analysis methods of magnesium and magnesium alloys.Part 9:Determination of iron content.Orthopenanthroline spectrophotometric method
GB/T 3257.20-1999 Methods for chemical analysis of bauxite--Determination of total carbon content--Non-aqueous titrametric method after combustion
GB/T 13245-1991 Refractories containing carbon--Determination of the total carbon--Combustion gravimetric method
GB/T 13747.6-1992 Zirconium and zirconium alloys--Determination of copper content-2,9-dimethyl-1,10-phenanthroline spectrophotometric method
GB/T 12690.19-1990 Rare-earth metals and their oxides--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB/T 4375.5-1984 Methods for chemical analysis of gallium--The N2O-C2H2flame atomic absorption spectrophotometric method for the determination of calcium content
GB/T 13748.8-1992 Magnesium and its alloys--Determination of copper content-2,9-dimethyl-1,10-phenanthroline spectrophotometric method
GB/T 26416.1-2010 Chemical analysis methods of dysprosium ferroalloy.Part 1:Determination of total rare earth contents.Gravimetry
GB/T 4375.1-1984 Methods for chemical analysis of gallium--The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline photometric method for the determination of copper content
GB/T 6610.4-2003 Chemical analysis methods of aluminium hydroxide Determination of ferric oxide content-Orthophenanthroline photometric method
GB/T 6609.4-2004 Chemical analysis methods and determination of physical performance of alumina Determination of ferric oxide content-Orthophenanthroline photometric method
GB/T 4325.23-2013 Methods for chemical analysis of molybdenum.Part 23:Determination of oxygen and nitrogen contents.Inert gas fusion-infrared absorption and thermal conductivity method
GB/T 26416.1-2022 Methods for Chemical Analysis of Rare Earth Ferroalloys Part 1: Determination of Total Rare Earth
GB/T 20975.4-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 4: Determination of iron content.Orthopenanthroline photometric method
GB/T 6901.4-2004 Chemical analysis of silica refractories-Part 4:Determination of iron oxide-o-phenanthroline photometric method
GB/T 3256.1-1982 Chemical analysis of zirconium powder for electro-vacuum uses--The gravimetric method for determination of total zirconium and active zirconium
GB/T 6987.32-2001 Aluminium and aluminium alloys--Determination of total rare earth contents--Rare earth oxalate gravimetric method
GB/T 6901.4-1986 Silica refractories--Determination of iron oxide content-0-phenanthroline photometric method
GB/T 4698.7-1996 Sponge titanium, titanium and titanium alloys--Determination of nitrogen content--Distillation--Nessler reagent spectrophotometric method
GB/T 20975.24-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 24: Determination of total rare earth contents
GB/T 5070.3-2002 Chemical analysis of magnesia chromite refractories--Part 3: Determination of iron oxide--O-phenanthroline photometric method
GB/T 11067.4-1989 Silver--Determination of antimony content--2-(5-bromo -2-pyridylazo)-5-diethylaminophenol spectrophotometricmethod
GB 11067.4-1989 Silver—Determination of antimony content—2-(5-bromo-2-pyridylazo)-5-diethylaminophenol spectrometric method
GB/T 16555.5-1996 Chemical analysis for silicon carbide refractories--Determination of ferric oxide--o-Phenanthroline photometric method
GB/T 6730.37-1986 Methods for chemical analysis of iron ores--The 4-[(5-chloro-2-pyridyl)azo]-1,3-diaminobenzene photometric method for the determination of cobalt content
GB 6730.37-1986 Methods for chemical analysis of iron ores--The 4-[(5-chloro-2-phridyl)azo]-1,3-diamino-benzene photometric method for the determination of cobalt 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 21994.7-2008 Chemical analysis of magnesium fluoride.Part 7:Determination of iron content.Orthophenantholine photometric method
GB/T 22660.7-2008 Chemical analysis methods of lithium fluoride.Part 7:Determination of iron content.Orthophenantholine photometric method
GB/T 6913.3-1986 Methods for analysis of water for boiler and for cooling--The determination of phosphates--Total phosphate
GB/T 14635-2008 Rare earth metals and their compounds.Determination of total rare earth contents

VN-TCVN, Total nitrogen analysis and detection method

TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
TCVN 305-2010 Steel and iron.Determination of nitrongen content.Methods of chemical analysis.
TCVN 311-2010 Steel and iron.Determination of total aluminium content.Methods of chemical analysis
TCVN 1821-2009 Steel and iron.Determination of total cacbon content.Methods of chemical analysis

Association Francaise de Normalisation, Total nitrogen analysis and detection method

NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF EN ISO 13395:1996 Qualité de l'eau - Détermination de l'azote nitreux et de l'azote nitrique et de la somme des deux par analyse en flux (CFA et FIA) et détection spectrométrique
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 T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
NF EN ISO 11732:2005 Qualité de l'eau - Dosage de l'azote ammoniacal - Méthode par analyse en flux (CFA et FIA) et détection spectrométrique
XP ISO/TS 21569-4:2017 Méthodes horizontales d'analyse moléculaire de biomarqueurs - Méthodes d'analyse pour la détection des organismes génétiquement modifiés et des produits dérivés - Partie 4 : méthodes de criblage par PCR en temps réel pour la détection des...
NF EN ISO 14362-3:2017 Textiles - Méthodes de détermination de certaines amines aromatiques dérivées de colorants azoïques - Partie 3 : détection de l'utilisation de certains colorants azoïques susceptibles de libérer du 4-aminoazobenzène
FD ISO/TR 17276:2014 Cosmétiques - Approche analytique des méthodes de détection et de quantification des métaux lourds dans les cosmétiques
XP ISO/TS 21569-3:2020 Méthodes horizontales d'analyse moléculaire de biomarqueurs - Méthodes d'analyse pour la détection des organismes génétiquement modifiés et des produits dérivés - Partie 3 : méthode PCR en temps réel construit-spécifique pour la détectio...
FD CEN/TR 16338:2013 Produits alimentaires - Détection des allergènes alimentaires - Modèle pour la mise à disposition d'informations sur les méthodes d'analyse immunologique et les méthodes d'analyse de biologie moléculaire

Group Standards of the People's Republic of China, Total nitrogen analysis and detection method

T/ZSA 96.5-2021 Test methods for dialyzer — Part 5: Performance parameters of total solute removal
T/GRM 049-2022 Determination of Mercury in Crude Oil
T/GRM 046-2022 Determination of Mercury in Gas Field Water
T/ZSA 96.6-2021 Test methods for performance parameters of dialyzer — Part 6:Performance parameters of blood compartment volume
T/ZSA 96.1-2021 Test methods for dialyzer — Part 1: Performance parameters of sieving coefficient
T/ZSA 96.2-2021 Test methods for dialyzer — Part 2: performance parameters of ultrafiltration coefficient
T/ZSA 96.3-2021 Test methods for dialyzer — Part 3:Performance parameters of clearance
T/GDCKCJH 048-2021 Performance requirements and test methods for ultraviolet analyzer
T/CAS 595-2022 Methods of network event detection and analysis Food safety
T/CAIA YQ001-2016 Method of geometrical parameter measuring for quadrupole mass filte
T/ZSA 96.4-2021 Test methods for dialyzer — Part 4:Performance parameters of solute reduction ratio
T/PSC 1.7-2022 Determinationg for ballast water of ships—Part 7 :Total amount of bacteria
T/CWAN 0029.3-2021 Methods for chemical analysis of nickel-based welding materials-Part 3: Determination of nitrogen content by inert gas fusion thermal conductivity method
T/SPSTS 013-2019 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method
T/CSTM 00340-2020 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method
T/CVMA 35-2020 Chemiluminescent Immunoassay Detection Method for Antibody of CSFV

Korean Agency for Technology and Standards (KATS), Total nitrogen analysis and detection method

KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
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 D 2573-2005 Methods for determination of nitrogen in zirconium and zirconium alloys
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
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 D ISO 1812-2002(2017) Copper alloys－Determination of iron content－1,10-Phenanthroline spectrophotometric method
KS D ISO 1812-2002(2022) Copper alloys－Determination of iron content－1,10-Phenanthroline spectrophotometric method
KS D ISO 793-2002(2017) Aluminium and aluminium alloys－Determination of iron－Orthophenanthroline photometric method
KS E ISO 10213-2011(2016) Aluminium ores－Determination of total iron content－Titanium trichloride reduction method
KS M ISO 4313-2003(2018) Washing powders－Determination of total phosphorus(V) oxide content－Quinoline phosphomolybdate gravimetric method
KS D ISO 11436-2001(2016) Nickel and nickel alloys－Determination of total boron content －Curcumin molecular absorption spectrometric method

Professional Standard - Aviation, Total nitrogen analysis and detection method

HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group
HB/Z 5218.14-2004 Methods for chemical analysis of aluminium alloys-Part 14:Determination of the cerium subgroup of rare earth elements content by tribromoarsenazo spectrophtometric method
HB 5220.39-1995 Chemical Analysis Method of Superalloys PMBP Direct Extraction-ArsenazoⅢ Absorbance Spectrophotometry Determination of Total Rare Earth
HB 5220.39-2008 Methods for chemical analysis of superalloys. Part 39: Determination of total rare earth content by PMBP direct extraction-arsenazo Ⅲ photometric method
HB 5297.25-2001 Methods of chemical analysis of titanium alloys - Determination of nitrogen content by steam distillation
HB 5297.17-2001 Chemical Analysis Method of Titanium Alloy AzoarsenicⅢ Spectrophotometric Determination of Zirconium Content
HB 5219.19-1998 Determination of Cerium Content by Spectrophotometric Method of Tribromoarsine in Magnesium Alloy
HB 5297.20-2001 Chlorophosphine azo Ⅲ Spectrophotometric Method for Chemical Analysis of Titanium Alloy Determination of Cerium Content
HB 5422.23-1989 Determination of zirconium content by arsenazoⅢ absorptiophotometric method for chemical analysis of copper alloy
HB 5297.24-2001 Determination of Oxygen and Nitrogen Content by Pulse Heating Infrared Thermal Conductivity Method for Chemical Analysis of Titanium Alloy
HB 5220.42-1995 Determination of Cerium Content by DBC-Arsenazo Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5220.43-1995 Determination of Lanthanum Content by DBC-Arsenazo Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5219.18-1998 Determination of Total Rare Earth by Oxalate Gravimetric Method for Chemical Analysis of Magnesium Alloys
HB 5218.13-1995 Aluminum Alloy Chemical Analysis Method Oxalate Gravimetric Determination of Total Rare Earth
HB 5220.42-2008 Methods for chemical analysis of superalloys. Part 42: Determination of cerium content by DBC-arsenazo photometric method
HB 5220.43-2008 Methods for chemical analysis of superalloys. Part 43: Determination of lanthanum content by DBC-arsenazo photometric method
HB 5220.38-1995 Extraction and Separation by Chemical Analysis Method of Superalloy - Determination of Cerium Content by ArsenazoⅢ Absorbance Spectrophotometry
HB 5220.36-1995 Determination of Zirconium Content by Arsenazo Ⅲ Direct Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5220.49-2008 Methods for chemical analysis of superalloys. Part 49: Determination of oxygen, nitrogen content by impulse heating-infrared, thermal conductivity method
HB 5220.48-1995 Superalloy Chemical Analysis Method Water Steam Distillation - Volumetric Method (or Absorptiometry) Determination of Nitrogen Content
HB 5220.36-2008 Methods for chemical analysis of superalloys. Part 36: Determination of zirconium content by arsenazo Ⅲ photometric method
HB/Z 5218.13-2004 Methods for chemical analysis of aluminium alloys-Part 13:Determination of total rare earth contents by oxalate gravimetric method
HB 7064.6-1994 Method of chemical analysis in salt bath for heat treatment of metals - Determination of total alkalinity by acid-base titration
HB/Z 5108.1-1999 Analytical methods for phosphating solutions - Potentiometric titration for the determination of free and total acidity
HB 5220.38-2008 Methods for chemical analysis of superalloys. Part 38: Determination of cerium content by extraction separation-arsenazo Ⅲ photometric method
HB 5220.48-2008 Methods for chemical analysis of superalloys. Part 48: Determination of nitrogen content by water vapour distillation-volumetric method( or photometric method)

NL-NEN, Total nitrogen analysis and detection method

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis

European Committee for Standardization (CEN), Total nitrogen analysis and detection method

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 ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
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

International Organization for Standardization (ISO), Total nitrogen analysis and detection method

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 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO/R 313:1963 Methods of chemical analysis of manganese ores — Determination of total iron content
ISO/R 319:1963 Methods of chemical analysis of manganese ores — Determination of total manganese content
ISO 24362-3:2014 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

Lithuanian Standards Office , Total nitrogen analysis and detection method

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 ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)

ZA-SANS, Total nitrogen analysis and detection 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
SANS 11732:2006 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection

German Institute for Standardization, Total nitrogen analysis and detection method

DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
DIN EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
DIN EN ISO 13395:1996-12 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
DIN EN ISO 11732:2005-05 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
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
DIN 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; English version of DIN EN 725-4:2006-07

未注明发布机构, Total nitrogen analysis and detection method

BS EN ISO 13395:1996(1998) 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(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS 1016-1:1973(1999) Methods for The analysis and testing of coal and coke — Part 1 : Total moisture of coal
BS 7319-10:1990(1999) Analysis of sodium chloride for industrial use — Part 10 : Method for determination of pH and total alkalinity
BS 3762-3.5:1986(2008) Analysis of formulated detergents — Part 3 : Quantitative test methods — Section 3.5 Methods for determination of total organic matter content
BS 684-2.8:1977(2009) Methods of analysis of Fats and fatty oils — Part 2 : Other methods — Section 2.8 : Determination of total neutral oil

RO-ASRO, Total nitrogen analysis and detection method

STAS SR 13300-5-1994 `Starches. Methods of analysis. Total ash determination
STAS SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method
SR 2567-1-1997 Soft drinks - Methods of analysis - Determination of total acidity (Uzual method )

AT-ON, Total nitrogen analysis and detection method

ONORM L 1091-1999 Chemical analysis of soils - Determination of inorganic nitrogen Nmin-method

TR-TSE, Total nitrogen analysis and detection method

TS 2428-1976 METHODS FOR THE CHEMICAL ANALYSIS OF IRON AND STEELS DETERMINATION OF NITROGEN CONTENT
TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method
TS 2978-1978 Method For The Chemical Analysis Of Glass Sand, Determination Of Total R?03 Content
TS 426-1966 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF TOTAL MANGANESE CONTENT
TS 601-1972 CHEMICAL ANALYSIS OF STEELS DETERMINATION OP TOTAL CABBON (GRAVIMETKIC METHOD APTER COMBUSTION ?N A STREAM OP OXYGEN)
TS 587-1968 METHODlS OF CHEMICAL, ANALYSIS OF MANGANBSE ORES DETE?BMINATION OF TOTAL ?RON CONTENT

Professional Standard - Non-ferrous Metal, Total nitrogen analysis and detection method

YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides
YS/T 587.15-2023 Calcined coke for prebaked blocks— Part 15: Determination of total carbon,hydrogen and nitrogen contents
YS/T 575.14-2007 Methods for chemical analysis of bauxite.Part 14:Determination the total content of rare earth oxide.Tribromo-arsenazo photometric method
YS/T 74.7-1994 Cadmium Chemical Analysis Method 1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 536.2-2006 Bismuth Chemical Analysis Method 1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 535.4-2006 Sodium fluoride chemical analysis method o-phenanthrene spectrophotometric determination of iron content
YS/T 422.2-2000 Methods for chemical analysis of chromium carbide.Determination of total carbon content
YS/T 520.4-2006 Gallium Chemical Analysis Method 4,7-Diphenyl-1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 74.7-2010 Mehtods for chemical analysis of cadmium- Part 7:Determination of iron content- 1,10-Phenanthroline spectrophotometry
YS/T 520.2-2006 Gallium Chemical Analysis Method 4-(2-Pyridylazo)-Resorcinol Spectrophotometric Determination of Lead Content
YS/T 372.18-2006 Methods for elementary analysis of precious alloy. Determination of gadolinium content. Chlorophosphonazo Ⅲ spectrophotometry
YS/T 372.19-2006 Methods for elementary analysis of precious alloy. Determination of yttrium content.Chlorophosphonazo Ⅲ spectrophotometry
YS/T 555.12-2006 Method for chemical analysis of molybdenum concentrate - Determination of total oil and water content
YS/T 424.2-2000 Methods for chemical analysis of titanium diboride powder.Determination of total boron content
YS/T 555.11-2009 Methods for chemical analysis of molybdenum concentrate.Determination of oil and moisture content.Gravimetry
YS/T 535.4-2009 Chemical analysis methods of sodium fluoride.Part 4:Determination of iron content.1,10-phenanthroline spectrophotometric method
YS/T 423.1-2000 Methods for chemical analysis of nuclear-grade boron carbide powder.Determination of total boron content
YS/T 423.2-2000 Methods for chemical analysis of nuclear-grade boron carbide powder.Determination of total carbon content
YS/T 575.5-2006 Bauxite ore chemical analysis method o-phenanthrene spectrophotometric determination of ferric oxide content
YS/T 239.6-2010 Methods for chemical analysis of antimony trisulfide- Part 6:Determination of iron content-Neighbouring phenanthroline spectrophotometric method
YS/T 575.18-2006 Combustion-non-aqueous titration method for the determination of total carbon in bauxite ore chemical analysis
YS/T 520.5-2006 Gallium Chemical Analysis Method for Determination of Calcium by Nitrous Oxide-Acetylene Flame Atomic Absorption Spectrophotometry
YS/T 520.1-2006 Gallium chemical analysis method 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthrene-diazepine spectrophotometric determination of copper content
YS/T 534.4-2006 Aluminum Hydroxide Chemical Analytical Method for the Determination of Ferric Oxide by O-Phenanthrophenanthrene Spectrophotometry
YS/T 520.4-2007 Chemical analysis of gallium.Part 4: Determination of iron content.The 4,7-diphenyl-1,10-phenanthroline spectrophotometric method
YS/T 581.7-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 7:Determination of iron content by orthophenantholine photometric method
YS/T 273.7-2006 Chemical analysis methods and physical properties of cryolite. Part 7:Determination of iron content by orthophenantholine photometric method
YS/T 244.1-2008 Chemical analysis methods of high purity aluminum.Part 1: Determination of iron content by 1,10-phenanthroline-thiocyanate photometric method
YS/T 904.1-2013 Methods for chemical analysis of iron-chromium-aluminum fiber.Part 1:Determination of nitrogen content.Inert gas fusion thermal conductivity method
YS/T 574.1-2006 Determination of total zirconium and active zirconium by gravimetric method for chemical analysis of zirconium powder for electric vacuum
YS/T 520.2-2007 Chemical analysis of gallium.Part 2: Determination of lead content.The 4-(2-pyridy lazo)-resorcinol spectrophotometric method
YS/T 746.16-2010 Methods for chemical analysis of lead-free tin-based solders- Part 16: Determination of total rare earth content- Arserazo Ⅲ spectrophotometry
YS/T 861.2-2013 Methods for chemical analysis of niobium-titanium alloy.Part 2:Determination of oxygen and nitrogen content.Inert gas fusion infrared/thermal conductivity method
YS/T 574.1-2009 Methods for chemical analysis of zirconium powder for electro-vacuum uses.The gravimetric method for determination of total zirconium and active zirconium
YS/T 1075.1-2015 Methods for chemical analysis of vanadium-aluminium and molybdenum-aluminium master alloys.Part 1:Determination of iron content.1,10-Phenanthroline spectrophotometry
YS/T 534.4-2007 Chemical analysis methods of aluminium hydroxide.Part 4:Determination of iron oxide content.Orthophenanthroline photometric method
YS/T 575.5-2007 Methods for chemical analysis of bauxite.Part5:Determination of oxide content.Orthophenanthroline photometric method

Military Standard of the People's Republic of China-General Armament Department, Total nitrogen analysis and detection method

GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
GJB 533.5-1988 Detection method for 45 components of submarine cabin air. Determination of nitrogen oxide content. Calibration tube method
GJB 8682.11-2015 Methods of chemical analysis of pyrotechnics Part 11: Determination of barium nitrate content and nitrogen determination method
GJB 770.308-1990 Test methods for gunpowder analysis Determination of nitrogen content of nitrocellulose Ferrous iron-titanium chloride method
GJB 533.1-1988 General principles for detection methods of 45 components of submarine cabin air
GJB 533.22-1988 Detection method for 45 components of submarine cabin air. Determination of hydrogen, oxygen, nitrogen and methane content by gas chromatography.

CEN - European Committee for Standardization, Total nitrogen analysis and detection method

EN ISO 11732:1997 Water Quality - Determination of Ammonium Nitrogen by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

Professional Standard - Urban Construction, Total nitrogen analysis and detection method

CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method
CJ 26.28-1991 Municipal sewage water quality inspection method standard Determination of total phosphorus spectrophotometric method

American Society for Testing and Materials (ASTM), Total nitrogen analysis and detection method

ASTM D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D3179-89(2002) Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-89(1997) Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-89(1997)e1 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-02 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-02e1 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM E778-87(2004) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-87(1996) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-15(2021) Standard Test Methods for Nitrogen in Refuse-Derived Fuel Analysis Samples
ASTM D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5373-21 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM E775-87(2004) Standard Test Methods for Total Sulfur in the Analysis Sample of Refuse-Derived Fuel
ASTM D7582-09 Standard Test Methods for Proximate Analysis of Coal and Coke by Macro Thermogravimetric Analysis
ASTM D7675-22 Standard Test Method for Determination of Total Hydrocarbons in Hydrogen by FID-Based Total Hydrocarbon (THC) Analyzer
ASTM D5373-14e1 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D5373-13 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D5373-14 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D7511-12(2017)e1 Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection
ASTM D7511-09e1 Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection
ASTM D7511-09 Standard Test Method for Total Cyanide by Segmented Flow Injection Analysis, In-Line Ultraviolet Digestion and Amperometric Detection
ASTM D7675-11 Standard Test Method for Test Method for the Determination of Total Hydrocarbons in Hydrogen by FID Based Total Hydrocarbon (THC) Analyzer
ASTM E775-15(2021) Standard Test Methods for Total Sulfur in the Analysis Sample of Refuse-Derived Fuel
ASTM C1324-05 Standard Test Method for Examination and Analysis of Hardened Masonry Mortar
ASTM C1324-10 Standard Test Method for Examination and Analysis of Hardened Masonry Mortar
ASTM E181-10 Standard Test Methods for Detector Calibration and Analysis of Radionuclides
ASTM E181-17 Standard Test Methods for Detector Calibration and Analysis of Radionuclides
ASTM C1324-02 Standard Test Method for Examination and Analysis of Hardened Masonry Mortar
ASTM C1324-02a Standard Test Method for Examination and Analysis of Hardened Masonry Mortar
ASTM C1324-96 Standard Test Method for Examination and Analysis of Hardened Masonry Mortar
ASTM C1324-15 Standard Test Method for Examination and Analysis of Hardened Masonry Mortar
ASTM E3171-21e1 Standard Test Method for Determination of Total Silver in Textiles by ICP-OES or ICP-MS Analysis
ASTM E3171-21 Standard Test Method for Determination of Total Silver in Textiles by ICP-OES or ICP-MS Analysis
ASTM E3171-21a Standard Test Method for Determination of Total Silver in Textiles by ICP-OES or ICP-MS Analysis
ASTM G144-96 Standard Test Method for Determination of Residual Contamination of Materials and Components by Total Carbon Analysis Using a High-Temperature Combustion Analyzer
ASTM G144-01(2006) Standard Test Method for Determination of Residual Contamination of Materials and Components by Total Carbon Analysis Using a High Temperature Combustion Analyzer
ASTM G144-01(2022) Standard Test Method for Determination of Residual Contamination of Materials and Components by Total Carbon Analysis Using a High Temperature Combustion Analyzer

工业和信息化部, Total nitrogen analysis and detection method

YS/T 1525-2022 Chemical analysis methods for nickel-platinum alloys, determination of oxygen and nitrogen content, pulse-infrared absorption method and thermal conductivity detection method
YS/T 1179.3-2017 Methods for chemical analysis of aluminum slag Part 3: Determination of carbon and nitrogen content Elemental analyzer method
YS/T 1467.10-2021 Hafnium Chemical Analysis Methods Part 10: Determination of Oxygen and Nitrogen Amounts
YS/T 540.4-2018 Methods for chemical analysis of vanadium Part 4: Determination of iron content 1,10-phenanthroline spectrophotometric method
YS/T 1161.3-2016 Methods for analysis of pseudoboehmite Part 3: Determination of pore volume and specific surface area Nitrogen adsorption method
YS/T 424.3-2022 Methods for chemical analysis of titanium diboride powder Part 3: Determination of iron content 1,10-phenanthroline spectrophotometric method
XB/T 629.2-2020 Methods for chemical analysis of rare earth aluminum master alloys Part 2: Determination of total rare earth content

Xinjiang Provincial Standard of the People's Republic of China, Total nitrogen analysis and detection method

DB65/T 602.3-2001 The determinanation of ammonium nitrogen in soil
DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil
DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil

Professional Standard - Agriculture, Total nitrogen analysis and detection method

水产品质量安全检验手册 1.2.3.1-2005 Chapter 1 General Introduction Section 2 Analytical Methods for Aquatic Products Inspection 3. Chemical Analysis (1) Qualitative Analysis
水产品质量安全检验手册 1.2.3.2-2005 Chapter 1 General introduction Section 2 Analysis method of aquatic product inspection 3. Chemical analysis method (2) Quantitative analysis
水产品质量安全检验手册 1.2.4.6-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physicochemical analysis method (6) Chromatographic method
水产品质量安全检验手册 1.2.4.3-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physicochemical analysis method (3) Fluorescence analysis method
水产品质量安全检验手册 1.2.4.5-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physicochemical analysis method (5) Potential analysis method
水产品质量安全检验手册 1.2.1.0-2005 Chapter 1 General introduction Section 2 Analysis method of aquatic product inspection 1. Sensory inspection method
水产品质量安全检验手册 1.2.2.0-2005 Chapter 1 General introduction Section 2 Analysis method of aquatic product inspection 2. Physical inspection method
水产品质量安全检验手册 1.2.4.7-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physical and chemical analysis methods (7) Gas chromatography
水产品质量安全检验手册 2.17.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Base Nitrogen in Aquatic Products (GBT 5009.44-2003) 1. Semi-trace Nitrogen Determination Method
水产品质量安全检验手册 1.2.4.1-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physicochemical analysis methods (1) Colorimetric and spectrophotometric methods
水产品质量安全检验手册 1.2.4.8-2005 Chapter 1 General Introduction Section 2 Analytical Methods for Aquatic Products Inspection 4. Physicochemical Analysis (8) High Performance Liquid Chromatography
水产品质量安全检验手册 1.2.4.4-2005 Chapter 1 General Introduction Section 2 Analytical Methods for Aquatic Product Inspection 4. Physicochemical Analysis (4) Atomic Fluorescence Spectrometry
水产品质量安全检验手册 1.2.4.2-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physical and chemical analysis methods (2) Atomic absorption spectrophotometer method
水产品质量安全检验手册 2.11.2.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) II. Colorimetry
水产品质量安全检验手册 2.11.1.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) 1. Formaldehyde value method
水产品质量安全检验手册 1.5.1.0-2005 Chapter 1 General Introduction Section 5 Laboratory Inspection and Analysis Basis 1. Analytical Laboratory Water Specifications and Test Methods (GB 6682-1992)

Standard Association of Australia （SAA）, Total nitrogen analysis and detection method

AS 2434.1:1999(R2013)
AS 1050.12:1983/Amdt 1:1984
AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk
AS 1050.12:1983 Methods for the analysis of iron and steel - Determination of nitrogen in steel (steam distillation titrimetric method)
AS 3580.5.1:2023 Methods for sampling and analysis of ambient air, Method 5.1: Determination of oxides of nitrogen — Direct-reading instrumental method
AS 3580.5.1:2011
AS 3580.5.1:1993 Methods for sampling and analysis of ambient air - Determination of oxides of nitrogen - Chemiluminescence method
AS 2434.1:1999 Methods for the analysis and testing of lower rank coal and its chars - Determination of the total moisture content of lower rank coal
AS 2434.7:2002(R2013)

YU-JUS, Total nitrogen analysis and detection method

JUS B.H8.320-1988 Methods of analysis of coal and coke. Determination of nitrogen ccmtent - Makro Kjeldahl nethod
JUS C.A1.409-1982 Methods for chemical analysi$ of ferroalloys. Titrimetric determination ofnitrogen in ferro-chromium
JUS C.A1.052-1986 Methods for chemical analysis of iron and steel. Determination of total silicon. Gravimetric method
JUS C.A1.381-1987 Methods ofchemical ana/ysis ofznic povvder. Complexometric determination of total zine content.
JUS B.H8.338-1986 Methnds of analysis of coal and coke. Coke - Determination of total moisture
JUS B.H8.316-1984 Methods of analysis of coal nad coke. Determination of total sulphur. High temperature combustion method
JUS C.A1.049-1989 Methods for chemical analysis of iron and steel. Determination of total silicon content between 0,05 and 1,0 %. Spectrophotometric method
JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method

Professional Standard - Ferrous Metallurgy, Total nitrogen analysis and detection method

YB/T 174.1-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of silicon nitride content.High pressure dissolve specimen method
YB/T 5330-2006 Vanadium pentoxide chemical analysis method o-phenanthroline spectrophotometric method for determination of iron content
YB/T 174.4-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of iron oxide content.o-Phenanthroline photometric method
YB/T 4013-1991 Method for chemical analysis of high-quality magnesia
YB/T 174.2-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of silicon carbide content.High pressure dissolve specimen method
YB/T 174.3-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of free silicon content.Molybdenum blue photometric method

CZ-CSN, Total nitrogen analysis and detection method

CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 72 0120 Z1-1997
CSN 72 0112 Cast.3 Z1-1997
CSN 46 3205-1987 Fresh fruits. Table grapes. Metod of analytical determination of total sugar content

KR-KS, Total nitrogen analysis and detection method

KS M ISO 684-2003(2023) Analysis of soaps－Determination of total free alkari

IT-UNI, Total nitrogen analysis and detection method

UNI 3712-1956
UNI 3665-1955 Procedures for chemical analysis of minerals. Determination of total alkali in iron ore. Gravimetric method, for standard analyses.
UNI 3711-1956
UNI 2963-1949 Procedures for chemical analysis of metallic materials. Determination of total silicon content of ferrosilicon.
UNI 3677-1955
UNI 4359-1959

IN-BIS, Total nitrogen analysis and detection method

SE-SIS, Total nitrogen analysis and detection method

SIS SS IEC 659:1983 Nuclear instrumentation - Multichannel amplitude analyzers - Test methods

Professional Standard - Geology, Total nitrogen analysis and detection method

DZ/T 0064.23-1993 Groundwater quality testing method Determination of iron by phenanthrene spectrophotometry
DZ/T 0064.23-2021 Analytical methods for groundwater quality - Part 23: Determination of iron content by phenanthroline spectrophotometric method
DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry
DZ/T 0064.76-2021 Methods of Analytical Groundwater Quality Part 76: Determination of Gross Alpha and Gross Beta Radioactivity Radiochemical Method
DZ/T 0279.29-2016 Methods of Analysis of Regional Geochemical Samples Part 29: Nitrogen Determination Kjeldahl Distillation - Volumetric Method
DZ/T 0064.9-2021 Methods of Analysis of Groundwater Quality Part 9: Gravimetric Method for Determination of Total Dissolved Solids

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Total nitrogen analysis and detection method

GJB 5381.11-2005 Methods of chemical analysis for pyrotech. Part 11: Determination of barium nitrate content. Azotometry method
GJB 6458.1-2008 Test method of rocket launcher. Part 1: Performance data test for general assembly

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, Total nitrogen analysis and detection method

GB/T 15076.13-2017 Methods for chemical analysis of tantalum and niobium—Part 13: Determination of nitrogen content—Inert gas fusion thermal conductivity method
GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 35905-2018 Test methods for biomass—Determination of total solids in biomass

Professional Standard - Rare Earth, Total nitrogen analysis and detection method

XB/T 601.7-1993 Lanthanum hexaboride chemical analysis method 1,10-phenanthrene-phenanthrene spectrophotometric determination of iron content
XB/T 621.1-2016 Chemical analysis methods for holmium ferroalloy.Part 1:Determination of rare earth total cotent.Gravimetry
XB/T 616.1-2012 Chemical analysis methods of gadolinium ferroalloy.Part 1:Determination of total rare earth content.Gravimetry
XB/T 614.1-2011 Chemical analysis method of gadolinium-magnesium alloy.Part 1:Determination of total rare earth content.Gravimetry

国家能源局, Total nitrogen analysis and detection method

SY/T 7436-2019 Separation and detection method of neutral nitrogen compounds in petroleum geological samples

Professional Standard - Ocean, Total nitrogen analysis and detection method

HY/T 233-2018 Test methods of ultrafiltration membrane performance—Part 1:General

Professional Standard - Aerospace, Total nitrogen analysis and detection method

QJ 2670.1-1994 General Rules for Error Analysis and Accuracy Evaluation of Telemetry Parameters

Shanxi Provincial Standard of the People's Republic of China, Total nitrogen analysis and detection method

DB1404/T 18-2021 Inspection and testing laboratory instrument analysis method validation requirements Spectroscopy
DB1404/T 17-2021 Inspection and testing laboratory instrument analytical method validation requirements chromatography
DB14/T 2797-2023 Specifications for confirmation of chemical analysis methods in testing laboratories
DB14/T 2798-2023 Specification for verification of chemical analysis methods in testing laboratories

Professional Standard - Railway, Total nitrogen analysis and detection method

TB/T 2059.4-2006 Methods for analysis of diesel locomotive collants Part 4: Determination of benzotriazole
TB/T 2059.5-1989 Analytical method for cooling water additives of railway diesel locomotive Determination of benzotriazole
TB/T 2059.7-2006 Methods for analysis of diesel locomotive collants Part 7: Determination of calcium and magnesium

Professional Standard - Electricity, Total nitrogen analysis and detection method

DL/T 1358-2014 Analytical methods of steam and water in power plants determination of total organic carbon
DL/T 502.6-2006 Analytical methods of steam and water in power plants Part 6: Determination of total carbonate

Indonesia Standards, Total nitrogen analysis and detection method

SNI 03-6884-2002 Test methods for sieve analysis of filler material for road hardening
SNI 06-2505-1991 Water, Test methods for total organic carbon content by infrared KOT analyzers
SNI 03-6791-2002 Test method of cement content in soil-cement mixture by chemistry analysis
SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry
SNI 06-6989.26-2005 Water and wastewater - Part 26: Test methods of total solid content by gravimetric analysis

Association of German Mechanical Engineers, Total nitrogen analysis and detection method

VDI 4009 Blatt 10-1986 Analytical methods for fault detection in reliability assurance

Professional Standard - Tobacco, Total nitrogen analysis and detection method

YC/T 145.9-2012 Tobacco flavor.General method of determination of total volatile constituents

冶金工业部, Total nitrogen analysis and detection method

YB 4013-1991 Chemical analysis method of high-quality magnesia, determination of iron oxide content by photometric method of phenanthroline

HU-MSZT, Total nitrogen analysis and detection method

MNOSZ 2836-1951

Jiangxi Provincial Standard of the People's Republic of China, Total nitrogen analysis and detection method

DB36/T 814.1-2014 Methods for chemical analysis of holmium-iron alloys - part 1: gravimetric method for the determination of the total amount of rare earths

Professional Standard - Machinery, Total nitrogen analysis and detection method

JB/T 6756.1-2008 Equipments for electric wires and cables.Testing methods.Part1:General rules
JB/T 6756.1-1993 Test methods for special equipment for wire and cable Part 1: General
JB/T 9552.6-1999 Methods for chemical analysis of copper-chromium-zirconium alloys.The determination of zinconium by arsenazo Ⅲ photometric method after fuse with potassium phrosuifate

API - American Petroleum Institute, Total nitrogen analysis and detection method

API PUBL 4721-2002 Analytical Detection and Qualification Limits: Survey of State and Federal Approaches

Professional Standard - Nuclear Industry, Total nitrogen analysis and detection method

EJ/T 297.12-1987 Determination of Total Sulfur by Analytical Methods of Granite and Granite Uranium Ore Components
EJ/T 1212.8-2008 Test methods for analysis of sintered gadolinium oxide-uranium dioxide pellets.Part8: Determination of nitrogen by distillation nessier reagent photometric method

水利部, Total nitrogen analysis and detection method

SL/T 788-2019 Determination of total nitrogen, volatile phenols, sulfides, anionic surfactants and hexavalent chromium in water quality continuous flow analysis-spectrophotometry

Hebei Provincial Standard of the People's Republic of China, Total nitrogen analysis and detection method

DB13/T 2768.2-2018 Graphene powder material detection method part 2: Determination of carbon, nitrogen, hydrogen, sulfur, oxygen element content