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Total Nitrogen Determination Method Hydrochloric Acid

Total Nitrogen Determination Method Hydrochloric Acid, Total:499 items.

In the international standard classification, Total Nitrogen Determination Method Hydrochloric Acid involves: Animal feeding stuffs, Soil quality. Pedology, Water quality, Fertilizers, Inorganic chemicals, Vocabularies, Surface treatment and coating, External water conveyance systems, Coals, Analytical chemistry, Farming and forestry, Milk and milk products, Products of the chemical industry, Test conditions and procedures in general, Leather technology, Air quality, Non-metalliferous minerals, Fuels, Metalliferous minerals, Beverages, Food products in general, Ferrous metals, Protection against fire, Paint ingredients, Power stations in general, Laboratory medicine, Meat, meat products and other animal produce, General methods of tests and analysis for food products, Plastics, Fruits. Vegetables, Geology. Meteorology. Hydrology, Extraction and processing of petroleum and natural gas, Spices and condiments. Food additives, Organic chemicals, Lubricants, industrial oils and related products, Edible oils and fats. Oilseeds, Non-ferrous metals, Environmental testing, Ferroalloys, Construction materials, Raw materials for rubber and plastics, Rubber, Ceramics.

Danish Standards Foundation, Total Nitrogen Determination Method Hydrochloric Acid

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/EN ISO 11905-1:2001 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate
DS/EN ISO 4047:2001 Leather - Determination of sulphated total ash and sulphated water-insoluble ash
DS/EN ISO 8988:2007 Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method
DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DS/EN 13971:2013 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

NO-SN, Total Nitrogen Determination Method Hydrochloric Acid

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate
NS 3094-1970 Portlandcement - Methods for determination of phosphorus

RU-GOST R, Total Nitrogen Determination Method Hydrochloric Acid

GOST 24596.3-2015 Feed phosphates. Method for determination of nitrogen
GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
GOST 24596.3-1981 Feed phosphates. Methods for determination of nitrogen
GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST 30553-1998 Hydrochloric acid for industrial use. Determination of total acidity of titrimetric method
GOST 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
GOST 30181.7-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, using hypochlorite method)
GOST 17444-1976 Reagents. Methods for determination of parent substance of organic nitrogen bearing compounds and salts of organic acids
GOST 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)
GOST 10671.2-1974 Reagents. Methods for determination of nitrates
GOST 10671.6-1974 Reagents. Methods for determination of phosphates
GOST 10671.8-1974 Reagents. Method for the determination of carbonates
GOST 24596.12-2015 Feed phosphates. Method for determination of ash insoluble in hydrochloric acid
GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents
GOST R 51196-1998 Dried milk. Method for determination of lactic acid and lactates
GOST 29302-1992 Ammonium nitrate for industrial use. Method for determination of total nitrogen content (titrimetric) after distillation
GOST 24596.11-2015 Feed phosphates. Method for determination of cadmium
GOST 24596.9-2015 Feed phosphates. Method for determination of lead
GOST 24596.10-2015 Feed phosphates. Methods for determination of mercury
GOST 24596.8-2015 Feed phosphates. Methods for determination of arsenic
GOST 24596.4-2015 Feed phosphates. Method for determination of calcium
GOST 24596.2-2015 Feed phosphates. Methods for determination of phosphorus
GOST R 54740-2011 Wine production. The method of determining of the sulfates
GOST 24596.7-2015 Feed phosphates. Method for determination of flourine
GOST 10671.3-1974 Reagents. Methods for determination of nitrites
GOST R 54740-2011(2019) Wine production. The method of determining of the sulfates
GOST 17444-2016 Reagents. Methods for determination of main substance of nitrogen containing organic compounds and salts of organic acids
GOST 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
GOST 27753.4-1988 Greenhouse grounds. Method for determination of total salts content
GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST 10671.5-2016 Reagents. Methods for determination of sulfates impurity
GOST 10671.6-2016 Reagents. Methods for determination of phosphates impurity
GOST 10671.8-2016 Reagents. Methods for determination of carbonates impurity
GOST 10671.2-2016 Reagents. Methods for determination of nitrates impurity
GOST 24596.6-2015 Feed phosphates. Methods for determination of moisture
GOST 8558.1-2015 Meat products. Methods for determination of nitrite
GOST R 53969-2010 Food salts of citric acid (citrates). Method for determination of moisture mass fraction
GOST 8558.2-1978 Meat products. Method for determination of nitrate
GOST R 51423-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of soluble nitrogen fraction of total mass after treatment with pepsin in dilute hydrochloric acid
GOST 31957-2012 Water. Methods for determination of alkalinity and mass concentration of carbonates and hydrocarbonates
GOST 32257-2013 Milk and milk products. Method for determination of nitrate and nitrite contents
GOST 10671.3-2016 Reagents. Methods for determination of nitrites impurity
GOST R 52964-2008 Drinking water. Methods for determination of sulphate content
GOST 29300-1992 Meat and meat products. Determination of nitrate content
GOST 31940-2012 Drinking water. Methods for determination of sulfate content
GOST 8558.1-1978 Meat products. Methods for determination of nitrit
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST R 52963-2008 Water. Methods for determination of alkalinity, and mass concentration of carbonates and hydrocarbonates
GOST 18309-1972 Drinking water. Method for determination of polyphosphate content
GOST 8558.2-2016 Meat and meat products. Method of nitrates determination
GOST 29299-1992 Meat and meat products. Determination of nitrite content
GOST 14839.4-1969 Industrial explosives. Method for determination of chlorates content
GOST R 55684-2013 Drinking water. Methods for the determination of permanganate index
GOST 13496.19-2015 Feeds, mixed feeds and raw material. Methods for determination of nitrate and nitrite
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST 24596.5-2015 Feed phosphates. Method for determination of hydrogen ions activity value
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
GOST 24596.7-1981 Feed phosphates. Methods for determination of flourine
GOST 24596.8-1981 Feed phosphates. Methods for determination of arsenic
GOST 24596.2-1981 Feed phosphates. Methods for determination of phosphorus
GOST 24596.4-1981 Feed phosphates. Methods for determination of calcium

YU-JUS, Total Nitrogen Determination Method Hydrochloric Acid

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.G8.011-1980 Reagents. Hydrochloric acid. Determination of total acidity. Titrimetric method
JUS H.G8.489-1991 Reagents. Potassium permanganate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.457-1991 Reagents. Potassium sulpbate. Determination of total nltrogen content. Colorlmetrlc metho?
JUS H.G8.298-1987 Reagents. Oxaiic acid dihydrate. Determination of total nitrogen content. Colorimetric metbod
JUS H.G8.447-1990 Reagents. Zine sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method
JUS H.G8.064-1983 Reagents. Copper sulphate pentahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.014-1980 Reagents. Hydrochloric acid. Determination of sulphates oontent Turbidimetric method
JUS H.G8.280-1987 Reagents. lron(ll)sulphate heptahydrate. Determination of total nitrogen content. Colorimetric method
JUS H.G8.016-1980 Reagents. Hydrochloric acid. Determination of sulphate? ash. Gravimetric method

Korean Agency for Technology and Standards (KATS), Total Nitrogen Determination Method Hydrochloric Acid

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 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 M ISO 904:2002 Hydrochloric acid for industrial use－Determination of total acidity－Titrimetric method
KS M ISO 904-2017(2022) Hydrochloric acid for industrial use — Determination of total acidity — Titrimetric method
KS M ISO 904:2017 Hydrochloric acid for industrial use — Determination of total acidity — Titrimetric method
KS M 9106-1996 Water quality-Determination of borate(Spectrometric method using azomethine-H)
KS I ISO 11905-1:2008 Water quality-Determination of nitrogen-Part 1:Method using oxidative digestion with peroxodisulfate
KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 11261-2008(2018) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261-2008(2021) Soil quality－Determination of total nitrogen－Modified Kjeldahl method
KS I ISO 11261:2008 Soil quality-Determination of total nitrogen-Modified Kjeldahl method
KS I 3220-2007 Water quality－Determination of nitrate
KS M ISO 4047-2007(2017) Leather－Determination of sulphated total ash and sulphated water-insoluble ash
KS M ISO 5400:2012 Leather-Determination of total silicon content-Reduced molybdosilicate spectrometric method
KS M 9101-1996 Water quality-Determination of total mercury by flameless atomic absorption spectrometry(Method after digestion with permanganate-peroxodisulfate)
KS M ISO 4047-2007(2022) Leather－Determination of sulphated total ash and sulphated water-insoluble ash
KS M ISO 8988-2010(2020) Plastics－Phenolic resins－Determination of hexamethylenetetramine content－Kjeldahl method, perchloric acid method and hydrochloric acid method
KS I ISO 11905-1-2008(2018) Water quality－Determination of nitrogen－Part 1：Method using oxidative digestion with peroxodisulfate
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS M ISO 5400-2012(2022) Leather－Determination of total silicon content－Reduced molybdosilicate spectrometric method
KS M ISO 6122-2007(2017) Surface active agents－Technical alkane sulphonates－Determination of total alkane sulphonates content
KS M ISO 4281:2010 Sodium hexafluorosilicate for industrial use-Determination of free acidity and total hexafluorosilicate content-Titrimetric method
KS M ISO 4281:2015 Sodium hexafluorosilicate for industrial use-Determination of free acidity and total hexafluorosilicate content-Titrimetric method
KS M ISO 6122-2007(2022) Surface active agents－Technical alkane sulphonates－Determination of total alkane sulphonates content
KS M ISO 3199-2015(2020) Sodium chlorate for industrial use－Determination of chlorate content-Dichromate titrimetric method
KS M ISO 5315-2007(2012) Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
KS M 1945-2002(2007) Acetic acid for industrial use－Method of test－Determination of permanganate index
KS M ISO 6122:2007 Surface active agents－Technical alkane sulphonates－Determination of total alkane sulphonates content
KS M ISO 3199:2010 Sodium chlorate for industrial use-Determination of chlorate content-Dichromate titrimetric method
KS M ISO 3199:2015 Sodium chlorate for industrial use－Determination of chlorate content-Dichromate titrimetric method
KS M ISO 5400-2012(2017) Leather－Determination of total silicon content－Reduced molybdosilicate spectrometric method
KS M ISO 2762:2002 Hydrochloric acid for industrial use－Determination of soluble sulphates－Turbidimetric method
KS M ISO 2762-2017(2022) Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method
KS M ISO 2762:2017 Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric method
KS M ISO 5315:2007 Fertilizers-Determination of total nitrogen content-Titrimetric method after distillation
KS M ISO 5315:2013 Fertilizers－Determination of total nitrogen content－Titrimetric method after distillation
KS M 1945-2009 Acetic acid for industrial use－Method of test－Determination of permanganate index
KS M ISO 6851-2002(2017) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS M 9101-2006 Water quality－Determination of total mercury by flameless atomic absorption spectrometry(Method after digestion with permanganate-peroxodisulfate)
KS L 5106-1995 Testing method for fineness of portland cement by air permeability apparatus
KS D 2555-1995 Methods for determination of nitrogen in tantalum
KS D 2555-2015 Methods for determination of nitrogen in tantalum
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

RO-ASRO, Total Nitrogen Determination Method Hydrochloric Acid

STAS SR ISO 7408:1993 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
SR 8379-9-1997 Superfosphate - Total phosphore content determination
SR ISO 4047:1995 Leather. Determination of sulphated total ash and sulphated water - insoluble ash
SR ISO 5315:1984 Fertilizers. Determination of totai nitrogen content.Titrimetric method after distilation
SR 2567-1-1997 Soft drinks - Methods of analysis - Determination of total acidity (Uzual method )

SE-SIS, Total Nitrogen Determination Method Hydrochloric Acid

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS SS 02 81 27-1984 Determination of total phosphorous in water - Digestion with peroxodisulphate

Association Francaise de Normalisation, Total Nitrogen Determination Method Hydrochloric Acid

NF EN 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
NF T20-271:1968 Chemical analysis of hydrochloric acid. Determination of total acidity.
NF V04-211:1971 MILK. DETERMINATION OF TOTAL NITROGEN CONTENT. (KJELDAHL METHOD).
NF T73-237:1980 Surface active agents. Technical alkane sulphonates. Determination of total alkane sulphonates.
NF EN 15476:2009 Engrais - Détermination de l'azote nitrique et ammoniacal selon Devarda
NF T20-295:1968 CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF TOTAL NITROGEN.
NF U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
NF A06-555:2010 Steel - Determination of nitrogen content - Spectrophotometric method.
NF EN ISO 4047:1999 Cuir - Dosage des cendres sulfatées totales et des cendres sulfatées insolubles dans l'eau
NF EN ISO 8988:2006 Plastiques - Résines phénoliques - Détermination de la teneur en hexaméthylènetétramine - Méthode Kjeldahl, méthode à l'acide perchlorique et méthode à l'acide chlorhydrique
NF EN ISO 11905-1:1998 Qualité de l'eau - Dosage de l'azote - Partie 1 : méthode par minéralisation oxydante au peroxodisulfate
NF X31-111*NF ISO 11261:1995 Soil quality. Determination of total nitrogen. Modified kjeldahl method.
NF U42-151:1984 Fertilizers. Determination of total nitrogen content. Titrimetric method after distillation.
NF EN 1246:1998 Adhésifs - Détermination du taux de cendres total et du taux de cendres sulfatées
NF EN 15750:2010 Engrais - Détermination de la teneur en azote total des engrais ne contenant l'azote que sous forme nitrique, ammoniacale et uréique, selon deux méthodes différentes
NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.

British Standards Institution (BSI), Total Nitrogen Determination Method Hydrochloric Acid

DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS DD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS EN ISO 11905-1:1998 Water quality. Determination of nitrogen.. Method using oxidative digestion with peroxodisulfate
BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS 6829-2.1:1988 Analysis of surface active agents (raw materials) - Alkane sulphonates - Method for determination of total alkaline sulphonates content
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS 6068-2.40:1991 Water quality. Physical, chemical and biochemical methods. Method for the determination of borate by spectrometry using azomethine-H
BS 5551-4.1.1:1981 Fertilizers - Chemical analysis - Determination of nitrogen - Nitron gravimetric method for determination of nitrate nitrogen
BS EN ISO 4047:1998 Leather - Determination of sulphated total ash and sulphated water-insoluble ash
BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
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 6829 Sec.2.1:1988 Analysis of surface active agents (raw materials). Alkane sulphonates. Method for determination of total alkaline sulphonates content
BS EN 15561:2023 Inorganic fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS 5766-15:1997 Methods for analysis of animal feeding stuffs. Determination of soluble nitrogen content after treatment with pepsin in dilute hydrochloric acid
BS 6829 Sec.2.3:1989 Analysis of surface active agents (raw materials). Alkane sulphonates. Method for determination of alkane monosulphonates content
BS 812-118:1988 Testing aggregates. Methods for determination of sulphate content
BS EN 13971:2003 Carbonate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
BS EN 13971:2002 Carbonate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)

CEN - European Committee for Standardization, Total Nitrogen Determination Method Hydrochloric Acid

PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
EN 13971:2008 Carbonate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
PREN 1397-2019 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

Lithuanian Standards Office , Total Nitrogen Determination Method Hydrochloric Acid

LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
LST ISO 9390:1998 Water quality. Determination of borate. Spectrometric method using azomethine-H
LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
LST EN ISO 11905-1:2000 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997)
LST EN ISO 8988:2007 Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method (ISO 8988:2006)
LST EN ISO 4047:2001 Leather - Determination of sulphated total ash and sulphated water-insoluble ash (ISO 4047:1977)
LST EN 13971-2013 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
LST EN 13971-2020 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

AENOR, Total Nitrogen Determination Method Hydrochloric Acid

UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNE 37217:1980 LEAD OXYDES. DETERMINATION OF TOTAL LEAD CONTENT BY THE SULPHATE METHOD.
UNE 77318:2001 Soil quality. Determination of total nitrogen. Modified Kjeldahl method.
UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE 37216:1980 LEAD OXYDES. DETERMINATION OF TOTAL LEAD CONTENT BY THE CHROMATE METHOD.
UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNE 33104:1974 TEST METHOD OF VINIC VINEGAR. DETERMINATION OF SULPHATE CONTENT.
UNE 55513:1981 SURFACE ACTIVE AGENTS. TECHNICAL ALKANE SULFONATES. DETERMINATION OF TOTAL ALKANE SULPHONATE CONTENT
UNE-EN ISO 8988:2007 Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method (ISO 8988:2006)
UNE-EN 13971:2013 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
UNE-EN ISO 11905-1:1998 WATER QUALITY. DETERMINATION OF NITROGEN. PART 1: METHOD USING OXIDATIVE DIGESTION WITH PEROXODISULFATE. (ISO 11905-1:1997).

German Institute for Standardization, Total Nitrogen Determination Method Hydrochloric Acid

DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
DIN CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
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 15561:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2023
DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; English version of DIN EN 15560:2009-06
DIN EN ISO 8988:2006-11 Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method (ISO 8988:2006); German version EN ISO 8988:2006
DIN 19746:2005 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
DIN 19746:2005-06 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
DIN EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
DIN ISO 6122:1982-04 Surface active agents; technical alkane sulfonates; determination of total alkane sulfonates content
DIN EN ISO 11905-1:1998-08 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN ISO 6122:1982 Surface active agents; technical alkane sulfonates; determination of total alkane sulfonates content
DIN 51732:2014 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN 51732:2007 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
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 51732:2014-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
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

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Total Nitrogen Determination Method Hydrochloric Acid

GB 6913.3-1986 Determination of Phosphate Total Phosphate
GB 6913.2-1986 Determination of Phosphate Total Inorganic Phosphate
GB/T 6913.3-1986 Methods for analysis of water for boiler and for cooling--The determination of phosphates--Total phosphate
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 6913.2-1986 Methods for analysis of water for boiler and for cooling--The determination of phosphates--Total inorganic phosphates
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
GB/T 23952-2009 Inorganic chemicals for industrial use.General method for the determination of total nitrogen content.Distillation-acid-base titrations method
GB/T 16032-1995 Workplace air--Determination of nitrogen oxides--Naphthyl ethylenediamine dihydrochloride spectrophotometric method
GB/T 6730.25-2006 Iron ores Determination of total rare earth contents Oxalate gravimetric method
GB/T 10209.1-2001 Determination of total nitrogen content for monoammonium phosphate and diammonium phosphate(Titrimetric method after distillation)
GB/T 8969-1988 Air quality--Determination of nitrogen oxides in ambient air--Griess-saltzman method
GB 8969-1988 Air Quality Nitrogen Oxides Determination Naphthaleneethylenediamine Hydrochloride Colorimetric Method
GB/T 12456-1990 Method for determination of total acid in foods
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB 6912.3-1986 Determination of nitrate and nitrite a-naphthylamine hydrochloride spectrophotometric method
GB/T 609-1988 Chemical reagent--General method for the determination of total nitrogen
GB/T 609-2006 Chemical reagent General method for the determination of total nitrogen
GB/T 609-2018 Chemical reagent.General method for the determination of total nitrogen
GB/T 13085-1991 Method for determination of nitrite in feeds
GB/T 14506.5-2010 Methods for chemical analysis of silicate rocks.Part 5:Determination of ferric oxide content
GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
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 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
GB/T 9823-1988 Method for determination of total nitrogen content in oilseed residues
GB/T 6987.32-2001 Aluminium and aluminium alloys--Determination of total rare earth contents--Rare earth oxalate gravimetric method
GB/T 11987-1989 Surface active agent--Technical alkane sulphonates--Determination of total alkane sulphonates content
GB/T 11987-2022 Surface active agents—Technical alkane sulphonates—Determination of total alkane sulphonates content
GB 11987-1989 Determination of total alkane sulfonate content in surfactant industry alkane sulfonate
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 4701.4-2008 Ferrotitanium. Determination of manganese content. Arsenite-salt and sodium-salt titrimetric method and periodate photometric method
GB/T 6913.1-1986 Methods for analysis of water for boiler and for cooling--The determination of phosphates--Orthophosphates
GB/T 4325.28-1984 Methods for chemical analysis of molybdenum--The tetraphenyl arsonium chloride hydrochloride-thiocyanate photometric method for the determination of tungsten content
GB/T 2441.8-2001 Determination of urea Determination of sulphate content Visible turbidimetric method
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
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 4701.4-1984 Methods for chemical analysis of ferrotitanium--The persulfate-arsenite volumetric method for the determination of manganese content
GB/T 12496.17-1999 Test methods of wooden activated carbon-Determination of sulphate
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 19227-2008 Determination of nitrogen in coal

European Committee for Standardization (CEN), Total Nitrogen Determination Method Hydrochloric Acid

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 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 13971:2012 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
EN 13971:2002 Carbonate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN ISO 11905-1:1998 Water Quality - Determination of Nitrogen - Part 1: Method Using Oxidative Digestion with Peroxodisulfate ISO 11905-1:1997
EN ISO 4047:1998 Leather - Determination of Sulphated Total Ash and Sulphated Water-Insoluble Ash ISO 4047:1977

International Organization for Standardization (ISO), Total Nitrogen Determination Method Hydrochloric Acid

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 904:1976 Hydrochloric acid for industrial use; Determination of total acidity; Titrimetric method
ISO 11905-1:1997 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate
ISO 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
ISO 6676:1981 Acid-grade fluorspar — Determination of total phosphorus content — Molybdophosphate photometric method
ISO 914:1977 Sulphuric acid and oleum for industrial use; Determination of total nitrogen content; Titrimetric method after distillation
ISO 11261:1995 Soil quality - Determination of total nitrogen - Modified Kjeldahl method
ISO 4047:1977 Leather; Determination of sulphated total ash and sulphated water-insoluble ash
ISO 6676:1990 Acid-grade and ceramic-grade fluorspar — Determination of total phosphorus content — Reduced-molybdophosphate spectrometric method
ISO 4281:1977 Sodium hexafluorosilicate for industrial use; Determination of free acidity and total hexafluorosilicate content; Titrimetric method
ISO 6122:1978 Surface active agents; Technical alkane sulphonates; Determination of total alkane sulphonates content
ISO 907:1976 Hydrochloric acid for industrial use; Determination of sulphated ash; Gravimetric method
ISO 9438:1989 Metallurgical-grade fluorspar — Determination of total phosphorus content — Reduced molybdophosphate spectrometric method
ISO 3199:1975 Sodium chlorate for industrial use; Determination of chlorate content; Dichromate titrimetric method
ISO 8799:2009 Surface active agents - Sulfated ethoxylated alcohols and alkylphenols - Determination of content of unsulfated matter
ISO 906:1976 Hydrochloric acid for industrial use; Determination of sulphate content; Barium sulphate gravimetric method
ISO 6676:1993 Acid-grade and ceramic-grade fluorspar; determination of total phosphorus content; reduced-molybdophosphate spectrometric method
ISO 2762:1973 Hydrochloric acid for industrial use; Determination of soluble sulphates; Turbidimetric method
ISO 5315:1984 Fertilizers; Determination of total nitrogen content; Titrimetric method after distillation
ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry

ZA-SANS, Total Nitrogen Determination Method Hydrochloric Acid

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

PH-BPS, Total Nitrogen Determination Method Hydrochloric Acid

PTS 83-1970 Method of Test for the Determination of Nitrogen Content of Nitrate-Free Fertilizers
PTS 98-1970 Standardization of the Method of Test for the Determination of Total Nitrogen Content.Devarda Method

Professional Standard - Environmental Protection, Total Nitrogen Determination Method Hydrochloric Acid

HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods
HJ 667-2013 Water quality.Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 668-2013 Water quality.Determination of total nitrogen by flow injection analysis (FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ/T 198-2005 Water quality - Determination of nitrate-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 346-2007 Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry
HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
HJ 479-2009 Ambient air.Determination of nitrogen oxides.N-(1-Naphthyl)ethylene diamine dihydrochloride spectrophotometric method
HJ 670-2013 Water quality.Determination of orthophosphate and total phosphorus.Continuous flow analysis (CFA) and Ammonium molybdate spectrophotometry
HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
HJ/T 43-1999 Stationary source emission-Determination of nitrogen oxide-N-(1-naphthyl)-ethylenediamine dihydrochloride spectrophotometric method

Yunnan Provincial Standard of the People's Republic of China, Total Nitrogen Determination Method Hydrochloric Acid

DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration

未注明发布机构, Total Nitrogen Determination Method Hydrochloric Acid

BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
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 EN ISO 11905-1:1998(2008)*BS 6068-2.62:1998 Water quality — Determination of nitrogen — Part 1 : Method using oxidative digestion with peroxodisulfate
BS 6829-2.1:1988(2011) Analysis of surface active agents (raw materials) — Part 2 : Alkane sulphonates — Section 2.1 Method for determination of total alkane sulphonates content
BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen 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 EN 1142:1995(2000) Method for Determination of sulfate content offruit and vegetable juices
BS 4267-7:1987(1999) Ammonium nitrate — Part 7 : Methods for determination of nitrite content

BE-NBN, Total Nitrogen Determination Method Hydrochloric Acid

NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 03-001-1979 Hydrochloric acid for industrial use - Determination of total acidity - Titrimetric method
NBN T 03-056-1979 Ammonium nitrate for industrial use - Determination of total nitrogen content - Titrimetric method after distillation
NBN T 03-007-1979 Hydrochloric acid for industrial use - Determination of soluble sulphates - Turbidimetric method
NBN T 03-004-1979 Hydrochloric acid for industrial use - Determination of sulphated ash - Gravimetrie method
NBN T 03-003-1979 Hydrochloric acid for industrial use - Determination of sulphate content - Barium sulphate gravimetrie method
NBN T 03-154-1979 Sodium chlorate for industrial use - Détermination of chlorate content - Dichromate titrimetric method
NBN T 63-144-1988 Surface active agents - Technical alkane sulfonates - Determination of alkane monosulfonates content by direct two-phase titration
NBN T 03-174-1980 Sodium sulphate for industrial use - Determination of sulphates content - Calculation method and barium sulphate gravimetric method
NBN T 63-114-1980
NBN T 63-145-1980 Surface active agents - Technical alkane sulphonates - Determination of total alkane sulphonates content

GOSTR, Total Nitrogen Determination Method Hydrochloric Acid

GOST R 58596-2019 Soils. Methods for determination of total nitrogen

Professional Standard - Water Conservancy, Total Nitrogen Determination Method Hydrochloric Acid

SL 83-1994 Determination of alkalinity,bicarbonate and carbonate (Acid titration method)
SL 84-1994 Determination of nitrogen (nitrate)(Ultraviolet spectrophtometric method)
SL 85-1994 Determination of sulfate (EDTA titration method)

KR-KS, Total Nitrogen Determination Method Hydrochloric Acid

KS M ISO 904-2017 Hydrochloric acid for industrial use — Determination of total acidity — Titrimetric method
KS M ISO 2762-2017 Hydrochloric acid for industrial use — Determination of soluble sulphates — Turbidimetric 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

Group Standards of the People's Republic of China, Total Nitrogen Determination Method Hydrochloric Acid

T/QAS 068-2021 Determination of total alkalinity of brine by hydrochloric acid titration
T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
T/SATA 053-2023 Determination of bromate, nitrite, chlorate, nitrate and thiocyanate in infant formula - Ion Chromatography
T/JSWA 006-2023 Determination of sodium hypochlorite bromate and chlorate by ion chromatography

Indonesia Standards, Total Nitrogen Determination Method Hydrochloric Acid

SNI 4146-2013
SNI 13-4172-1996 Determination of total ferro oxide (Fe2O3) in phosphatic rock specimens by atomic absorption spectrometer method
SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry
SNI 06-6601-2001 Methods for determination of sulphate in water by residue draining in gravimetric methods
SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry
SNI 13-4705-1998 Test method of natural phosphate for agricultural

中华人民共和国环境保护部, Total Nitrogen Determination Method Hydrochloric Acid

GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid

Jilin Provincial Standard of the People's Republic of China, Total Nitrogen Determination Method Hydrochloric Acid

DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)

CZ-CSN, Total Nitrogen Determination Method Hydrochloric Acid

CSN 46 7092-26-1998 Testing methods for feeding stuffs - Part 26: Determination of total carbonate content
CSN 70 0532-1986 Silicate glass The method for the determination of the resistance against hydrochloric acid at 100 °C
CSN 72 0120 Z1-1997
CSN 72 0112 Cast.3 Z1-1997
CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 65 4815-1989 Fertilizers. Methods of determination of phosphates
CSN 65 2465-1981 Sodium Chloride (Salt) Methode of Sulfáte Content Determination
CSN ISO 6676:1992 Acid-grade fluorspar - Determination of total phosphorus content - Molybdophosphate photometric method
CSN 65 1025 Cast.10-1989 Sulphuric acid for industrial use. pectrophotometric method for the etermination of total nitrogen xides
CSN 570111-8-2002 Testing methods for casein and caseinates - Determination of titratable acidity
CSN 57 0111-8-2002 Testing methods for casein and caseinates - Determination of titratable acidity
CSN 70 0512-1980 Silic ate glass. Method for determination of tfae transformatlon temperature
CSN 70 0533-1981 Silikáte glass. Method for determination of alkali resistance.
CSN 57 0158-1986 Testing methods for meat products and canned sterilized food. Determination of nitrite and nitrate content
CSN 56 0216 Cast.5-1985 Testing methods for ines. Determination f total acidity
CSN 56 0216 Cast.5-1979 Testing method? for winos. Determina- ion of total acidity
CSN 46 7092-67-1998 Testing methods for feeding stuffs - Part 67: Determination of lysinhydrochlorid content
CSN 46 7092-5-1998 Testing methods for feeding stuffs - Part 5: Determination of soluble nitrogen content after treatment with pepsin in hydrochloric acid solution

Professional Standard - Urban Construction, Total Nitrogen Determination Method Hydrochloric Acid

CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method
CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method

Professional Standard - Agriculture, Total Nitrogen Determination Method Hydrochloric Acid

GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation
GB/T 5009.33-1996 Determination method of nitrite and nitrate in food
GB 609-1988 General method for the determination of total nitrogen content of chemical reagents
GB 13085-1991 Determination method of nitrite in feed
NY/T 1373-2007 Determination of Sulfite in Edible Fungus Distill under Nitrogen with the Method of Spectrophotometer
GB 13025.10-1991 Determination of Ferrous Potassium Nitride General Test Method for Salt Industry

Hebei Provincial Standard of the People's Republic of China, Total Nitrogen Determination Method Hydrochloric Acid

DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products

VN-TCVN, Total Nitrogen Determination Method Hydrochloric Acid

TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method
TCVN 2316-1978 Reagents.Method for the determination of silicate
TCVN 2318-1978 Reagents.Methods for the determination of nitrates
TCVN 2321-1978 Reagents.Methods for the determination of carbonates
TCVN 2323-1978 Reagents.Methods for the determination of nitrites
TCVN 6341-1998 Iodated salt.Method for determination ofiodate content
TCVN 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content
TCVN 7257-2003 Tobacco and tobacco products.Determination of total nitrate and nitrite contents
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 2688-1978 Lubricanting greases.Method for the determination of sulfated ash
TCVN 6487-1999 Iodated seasoning powder.Method for determination of iodate content.

American Society for Testing and Materials (ASTM), Total Nitrogen Determination Method Hydrochloric Acid

ASTM D4655-95 Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
ASTM D4655-95(2001) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
ASTM D4655-95(2017) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D4655-95(2023) Standard Test Methods for Sulfates in Leather (Total, Neutral, and Combined Acid)
ASTM D7318-11 Standard Test Method for Existent Inorganic Sulfate in Ethanol by Potentiometric Titration
ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D7318-07 Standard Test Method for Total Inorganic Sulfate in Ethanol by Potentiometric Titration
ASTM UOP432-65T Total Nitrogen in Liquefied Petroleum Gases by Acid Extraction-Kjeldahl Procedure
ASTM D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D6581-08 Standard Test Methods for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Suppressed Ion Chromatography
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D8284-19 Standard Test Method for Determination of the Total Alkalinity in Sulfated, Sulfonated Oils and Fatliquors
ASTM E224-96(2002) Standard Test Methods for Analysis of Hydrochloric Acid
ASTM E224-96 Standard Test Methods for Analysis of Hydrochloric Acid
ASTM D6581-00 Standard Test Method for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Chemically Suppressed Ion Chromatography
ASTM D6581-00(2005) Standard Test Method for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Chemically Suppressed Ion Chromatography
ASTM D6581-12 Standard Test Methods for Bromate, Bromide, Chlorate, and Chlorite in Drinking Water by Suppressed Ion Chromatography
ASTM E246-01 Standard Test Methods for Determination of Iron in Iron Ores and Related Materials by Dichromate Titration
ASTM E246-95 Standard Test Methods for Determination of Iron in Iron Ores and Related Materials by Dichromate Titration
ASTM E246-01(2005) Standard Test Methods for Determination of Iron in Iron Ores and Related Materials by Dichromate Titration

IN-BIS, Total Nitrogen Determination Method Hydrochloric Acid

Inner Mongolia Provincial Standard of the People's Republic of China, Total Nitrogen Determination Method Hydrochloric Acid

DB15/T 1837-2020 Determination of Nitrate Nitrogen in Farmland Irrigation Water by Flow Injection Method

Fujian Provincial Standard of the People's Republic of China, Total Nitrogen Determination Method Hydrochloric Acid

DB35/T 2006-2021 Chemical conversion method for determination of nitrate nitrogen isotope in water
DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

CU-NC, Total Nitrogen Determination Method Hydrochloric Acid

NC 23-04-1968 Sulphuric acid. Determination oí total acidity. Volumetric method.

Association of Official Analytical Chemists (AOAC), Total Nitrogen Determination Method Hydrochloric Acid

AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

国家质量监督检验检疫总局, Total Nitrogen Determination Method Hydrochloric Acid

SN/T 4948-2017 Determination of nitrogen triacetate in detergents by ion chromatography

Japanese Industrial Standards Committee (JISC), Total Nitrogen Determination Method Hydrochloric Acid

JIS K 6558-3:2016 Leather -- Determination of sulphated total ash, sulphated water-insoluble ash, and total ash
JIS K 1310-1-1:2000 Hydrochloric acid for industrial use -- Part 1: Determination of total acidity -- Section 1: Titrimetric method
JIS K 1310-1-2:2000 Hydrochloric acid for industrial use -- Part 1: Determination of total acidity -- Section 2: Potentiometric method
JIS K 1556:1968 Testing method for tolylene diisocyanate
JIS H 1685:2000 Method for determination of nitrogen in tantalum

国家市场监督管理总局、中国国家标准化管理委员会, Total Nitrogen Determination Method Hydrochloric Acid

GB/T 6730.25-2021 Iron ores—Determination of total rare earth contents—Oxalate gravimetric method
GB/T 39544-2020 Natural rubber latex concentrate—Determination of total phosphate content—Spectrophotometric method
GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method

AT-ON, Total Nitrogen Determination Method Hydrochloric Acid

ONORM S 7006-1982 Testing of leather; determination of total sulphate- ash und of water insoluble sulphateash
ONORM S 7009-1982 Testing of leather; determination of the contents of total nitrogen and of ammonium salts; calculation of hide substance
OENORM EN 13971-2020 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

Shandong Provincial Standard of the People's Republic of China, Total Nitrogen Determination Method Hydrochloric Acid

DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method

Professional Standard - Light Industry, Total Nitrogen Determination Method Hydrochloric Acid

QB/T 4446-2012 General test method in salt industry.Determination of nitrite
QB/T 3812.14-1999 Leather.Determination of sulphated total ash and sulphated water insoluble ash
QB/T 2719-2005 Leather-Chemical tests-Determination of sulphated total ash and sulphated water-insoluble ash

Professional Standard - Aviation, Total Nitrogen Determination Method Hydrochloric Acid

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 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 5218.13-2004 Methods for chemical analysis of aluminium alloys-Part 13:Determination of total rare earth contents by oxalate gravimetric method

PL-PKN, Total Nitrogen Determination Method Hydrochloric Acid

PN C04576 ArkusZ06-1973 Water and waste waiter Tests for nitrogen Deterrninatian of nitrite by colo- rime?ric method with sulphanilic aicid and 1-naphty lamin?
PN Z04092 Arkusz 01-1974 Air purity protectlon Tests tor nitric acid and nitrogen oxides Determination of nitric acid and total amount of nitric acid and nitrogen oxides in the work station by the colorimetric method with phenoldisulphonic acid
PN C04642-05-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of nitrite and the sum of nitrate and nitrite by colorimetric method
PN-EN 13971-2021-02 E Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
PN C04404-09-1986 Pigments for paints General methods of test Determination of water-soluble sulphates, chlorides and nitrates

Professional Standard - Electricity, Total Nitrogen Determination Method Hydrochloric Acid

DL/T 502.6-2006 Analytical methods of steam and water in power plants Part 6: Determination of total carbonate
DL 422.4-1991 Determination of sulfate content in industrial hydrochloric acid - Barium chromate spectrophotometric method

Professional Standard - Medicine, Total Nitrogen Determination Method Hydrochloric Acid

YY/T 1205-2013 Total bilirubin test kit.(Vanadate oxidation method)

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 Determination Method Hydrochloric Acid

GB/T 33317-2016 Plastics—Phenolic resins—Determination of hexamethylenetetramine content—Kjeldahl method,perchloric acid method and hydrochloric acid method

AR-IRAM, Total Nitrogen Determination Method Hydrochloric Acid

IRAM 25 585-1965

Professional Standard - Petroleum, Total Nitrogen Determination Method Hydrochloric Acid

SY/T 6526-2002 Measuring method of dynamic reaction rate for hydrochloric acid with carbonate rock
SY/T 6867-2012 Test method of core carbonate content
SY 6867-2012 Determination method of rock carbonate content

国家能源局, Total Nitrogen Determination Method Hydrochloric Acid

SY/T 6526-2019 Method for determination of dynamic reaction rate between hydrochloric acid and carbonate rock

ES-UNE, Total Nitrogen Determination Method Hydrochloric Acid

UNE 59027:1988 ERRATUM LEATHER. DETERMINATION OF TOTAL SILICON CONTENT. REDUCED MOLYBDOSILICATE SPECTROMETRIC METHOD
UNE-EN 13971:2021 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
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

ES-AENOR, Total Nitrogen Determination Method Hydrochloric Acid

UNE 55-595-1981

American National Standards Institute （ANSI), Total Nitrogen Determination Method Hydrochloric Acid

ANSI/ASTM D4667:1987 Polyurethane-Isocyanate Raw Materials, Determination of Acidity, Method for Testing (08.03)

Professional Standard - Coal, Total Nitrogen Determination Method Hydrochloric Acid

MT/T 743.2-1997 Determination of phosphorus in phosphate in mine water
MT/T 743.2-2011 Determination of phosphorus in orthophosphate in mine water

Military Standard of the People's Republic of China-General Armament Department, Total Nitrogen Determination Method Hydrochloric Acid

GJB 212.19-1986 Special industrial leather - Determination of total sulfate content

NL-NEN, Total Nitrogen Determination Method Hydrochloric Acid

NEN 6449-1981 Water - Determination of total mercury content by atomic absorption spectrometry - Digestion with permanganate and persulphate

Association of German Mechanical Engineers, Total Nitrogen Determination Method Hydrochloric Acid

VDI 2456-2004 Stationary source emissions - Reference method for determination of the sum of nitrogen monoxide and nitrogen dioxide - Ion chromatography method

TH-TISI, Total Nitrogen Determination Method Hydrochloric Acid

TIS 2024-2000 Sodium chlorate for industrial use.determination of chlorate content.dichromate titrimetric method
TIS 1590-1998 Hydrochloric acid for industrial use.determination of soluble sulphates.turbidimetric method

TR-TSE, Total Nitrogen Determination Method Hydrochloric Acid

TS 2111-1975 SODIUM CHLORATE FOR INDUSTRIAL USE—DETERMINATION OF CHLORATE CONTENT—DICHROMATE TITR1METRIC METHOD

CH-SNV, Total Nitrogen Determination Method Hydrochloric Acid

SN EN 13971-2021 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

IT-UNI, Total Nitrogen Determination Method Hydrochloric Acid

UNI EN 13971-2021 Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid

ET-QSAE, Total Nitrogen Determination Method Hydrochloric Acid

ES 390-2000

BELST, Total Nitrogen Determination Method Hydrochloric Acid

STB GOST R 51129-2007 Fruit and vegetable juices. Method for determination of citric acid (citrate)

Professional Standard - Electron, Total Nitrogen Determination Method Hydrochloric Acid

SJ 2253-1982 Method of measurement of granularity of cathode carbonate

工业和信息化部, Total Nitrogen Determination Method Hydrochloric Acid

HG/T 5167-2017 Method for determination of carboxylate and sulfonate polymer content in circulating cooling water

Professional Standard - Rare Earth, Total Nitrogen Determination Method Hydrochloric Acid

XB/T 617.1-2014 Chemical analysis methods for neodymium iron boron alloy.Part 1: Determination of total rare earth content.Oxalate gravimetry