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Determination method of nitrate nitrogen in fertilizer

Determination method of nitrate nitrogen in fertilizer, Total:161 items.

In the international standard classification, Determination method of nitrate nitrogen in fertilizer involves: Fertilizers, Farming and forestry, Agricultural machines, implements and equipment, Soil quality. Pedology, Animal feeding stuffs, Beverages, Products of the chemical industry, Fuels.


Korean Agency for Technology and Standards (KATS), Determination method of nitrate nitrogen in fertilizer

  • KS M ISO 4176-2006(2011) Fertilizers-Determination of nitrate nitrogen content-Nitron gravimetric method
  • KS M ISO 4176:2012 Fertilizers-Determination of nitrate nitrogen content-Nitron gravimetric method
  • KS M ISO 5313:2007 High nitrogen content, straight ammonium nitrate fertilizers-Determination of oil retention
  • KS M ISO 5313:2013 High nitrogen content, straight ammonium nitrate fertilizers-Determination of oil retention
  • KS M ISO 5314-2007(2012) Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation

German Institute for Standardization, Determination method of nitrate nitrogen in fertilizer

  • 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 EN 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
  • DIN CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007
  • DIN EN 15604:2009-06 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009 / Note: To be replaced by DIN EN ISO 15604 (2019-06).
  • DIN CEN/TS 17762:2022-07 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17762:2022
  • DIN EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; English version of DIN EN 15560:2009-06
  • DIN CEN/TS 17761:2022-07 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17761:2022
  • 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 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 17090:2019-01 Fertilizers - Determination of nitrification inhibitor DMPSA in fertilizers - Method using high-performance liquid chromatography (HPLC); German version EN 17090:2018
  • DIN EN 17090:2019 Fertilizers - Determination of nitrification inhibitor DMPSA in fertilizers - Method using high-performance liquid chromatography (HPLC)
  • 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 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 16075:2012-01 Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatographie (HPLC); German version EN 16075:2011

European Committee for Standardization (CEN), Determination method of nitrate nitrogen in fertilizer

  • 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
  • FprCEN/TS 17762-2021 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
  • FprCEN/TS 17761-2021 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
  • EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
  • EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
  • EN 16075:2011 Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)
  • EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination method of nitrate nitrogen in fertilizer

  • GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
  • GB/T 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
  • GB/T 3595-2000 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
  • GB/T 3598-1983 Fertilizers--Determination of urea nitrogen content--Urease method
  • 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 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer
  • GB/T 12143.2-1989 Determination method for amino nitrogen content in fruit and vegetable juice beverages--Formol number
  • GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers-Titrimetric method after distillation
  • GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
  • GB 12143.2-12143.3-89 Determination method for amino nitrogen content in fruit and vegetable juice beverages-Formol number Determination method for L-ascorbic acid in fruit and vegetable juice beverages-Ethyl ether extract
  • GB/T 14539.3-1993 Determination of cadmiun element content for compound fertilizers
  • GB/T 14539.4-1993 Determination of lead element content for compound fertilizers
  • GB/T 14539.2-1993 Determination of arsenic element content for compound fertilizers
  • GB/T 13085-1991 Method for determination of nitrite in feeds
  • GB/T 30728-2014 Determination of nitrogen in solid biofuels
  • GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers.Part 1:Total nitrogen content

Professional Standard - Agriculture, Determination method of nitrate nitrogen in fertilizer

  • GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
  • NY/T 1116-2014 Fertilizers.Determination of nitrate nitrogen, ammonium nitrogen, amide nitrogen contents
  • NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method
  • GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation
  • GB 3598-1983 Determination of Urea Nitrogen Content in Fertilizers Urease Method
  • GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation
  • GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
  • GB/T 14540.3-1993 Determination method of manganese in compound fertilizer
  • GB/T 14540.4-1993 Determination method of zinc in compound fertilizer
  • GB 13085-1991 Determination method of nitrite in feed

Association Francaise de Normalisation, Determination method of nitrate nitrogen in fertilizer

  • NF U42-142*NF EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
  • NF U42-149*NF EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • NF U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
  • XP U42-794*XP CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
  • NF EN 15561:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique nitratée
  • XP CEN/TS 17762:2022 Engrais inorganiques - Détermination de la teneur en cuivre dans les engrais à base de nitrate d'ammonium et à forte teneur en azote
  • XP U42-793*XP CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
  • XP CEN/TS 17761:2022 Engrais inorganiques - Détermination de la teneur en chlorure des engrais à base de nitrate d'ammonium à forte teneur en azote
  • 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 U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • NF EN 15604:2009 Engrais - Détermination des différentes formes d'azote dans un même échantillon contenant l'azote sous forme nitrique, ammoniacale, uréique et cyanamidique
  • NF U42-164*NF EN 16075:2011 Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC).
  • NF EN 17090:2018 Engrais - Dosage de l'inhibiteur de nitrification DMPSA dans les engrais - Méthode par chromatographie liquide haute performance (HPLC)
  • 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 U42-125:1985 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method.
  • NF EN 16075:2011 Engrais - Dosage du N-(2-nitrophényl) triamide phosphorique (2-NPT) dans l'urée et les engrais contenant de l'urée - Méthode par chromatographie liquide à haute performance (HPLC)

CZ-CSN, Determination method of nitrate nitrogen in fertilizer

RU-GOST R, Determination method of nitrate nitrogen in fertilizer

  • 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 EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen
  • GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
  • 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 30181.8-1994 Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)
  • 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 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)
  • 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 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 29288-1992 Fertilizers with high content of nitrogen. Ammonium nitrate. Method for determination of the ability to suppress the lubricant
  • GOST 20851.1-1975 Mineral fertilizers. Methods for determination of nitrogen content
  • GOST 33813-2016 Ammonium nitrate and fertilizers on its base. Method for determination of copper content
  • GOST 30181.5-1994 Mineral fertilizers. Method for determination of mass fraction of amide nitrogen in compound fertilizers (spectrophotocolorimetric method)
  • GOST 33831-2016 Ammonium nitrate and fertilizers on its base. Method for determination of chlorides mass fraction

British Standards Institution (BSI), Determination method of nitrate nitrogen in fertilizer

  • BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
  • BS DD CEN/TS 15750:2009 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • BS DD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • DD CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • BS EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • PD CEN/TS 17762:2022 Inorganic fertilizers. Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
  • PD CEN/TS 17761:2022 Inorganic fertilizers. Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
  • BS 5551-3.4:1987 Fertilizers. Physical properties. Method for determination of oil retention of high nitrogen content, straight ammonium nitrate fertilizers
  • 14/30313910 DC BS ISO 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
  • DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
  • BS EN 15561:2023 Inorganic fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
  • 21/30442090 DC BS EN 15561. 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 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 5551 Sec.3.4:1987 Fertilizers. Physical properties. Method for determination of oil retention of high nitrogen content, straight ammonium nitrate fertilizers
  • BS EN 17090:2018 Fertilizers. Determination of nitrification inhibitor DMPSA in fertilizers. Method using high-performance liquid chromatography (HPLC)
  • BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
  • 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 5551 SubSec.4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation

International Organization for Standardization (ISO), Determination method of nitrate nitrogen in fertilizer

  • ISO 4176:1981 Fertilizers; Determination of nitrate nitrogen content; Nitron gravimetric method
  • ISO 5314:1981 Fertilizers; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
  • ISO 7408:1983 Fertilizers; Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide; Titrimetric method

Danish Standards Foundation, Determination method of nitrate nitrogen in fertilizer

  • 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 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
  • DS/EN 16075:2012 Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)

Lithuanian Standards Office , Determination method of nitrate nitrogen in fertilizer

  • 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 EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
  • LST EN 16075-2012 Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)

AENOR, Determination method of nitrate nitrogen in fertilizer

  • 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-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
  • UNE-EN 16075:2012 Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)

Tianjin Provincial Standard of the People's Republic of China, Determination method of nitrate nitrogen in fertilizer

GOSTR, Determination method of nitrate nitrogen in fertilizer

  • GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

RO-ASRO, Determination method of nitrate nitrogen in fertilizer

  • SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method

YU-JUS, Determination method of nitrate nitrogen in fertilizer

  • JUS H.B8.286-1983 Fertilizers. Determination of content nitrat-nitrogen. Volumetric method
  • JUS H.B8.817-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of the particle size (granulometry)
  • JUS H.B8.162-1988 Fertillzets. Determination of water content in fertilizers vrith nitrogen component trom carbamide. Gravimetric metbo?

PH-BPS, Determination method of nitrate nitrogen in fertilizer

  • PTS 83-1970 Method of Test for the Determination of Nitrogen Content of Nitrate-Free Fertilizers

ES-UNE, Determination method of nitrate nitrogen in fertilizer

  • UNE-CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
  • UNE-CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
  • UNE-EN 17090:2019 Fertilizers - Determination of nitrification inhibitor DMPSA in fertilizers - Method using high-performance liquid chromatography (HPLC)

CEN - European Committee for Standardization, Determination method of nitrate nitrogen in fertilizer

  • PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
  • PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
  • PD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample@ containing nitrogen as nitric@ ammoniacal@ urea and cyanamide nitrogen
  • EN 17090:2018 Fertilizers - Determination of nitrification inhibitor DMPSA in fertilizers - Method using high-performance liquid chromatography (HPLC)

BR-ABNT, Determination method of nitrate nitrogen in fertilizer

Jilin Provincial Standard of the People's Republic of China, Determination method of nitrate nitrogen in fertilizer

  • DB22/T 2270-2018 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
  • DB22/T 2270-2015 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis

Yunnan Provincial Standard of the People's Republic of China, Determination method of nitrate nitrogen in fertilizer

  • DB53/T 917-2019 Determination methods of carbon-nitrogen ratio, self-heating, ammonium-nitrate ratio and germination index in organic fertilizer maturity

Taiwan Provincial Standard of the People's Republic of China, Determination method of nitrate nitrogen in fertilizer

  • CNS 12965-1992 Method of Test for Hazardous Components in Fertilizers:Determination of Biuret Nitrogen Content

Xinjiang Provincial Standard of the People's Republic of China, Determination method of nitrate nitrogen in fertilizer

Group Standards of the People's Republic of China, Determination method of nitrate nitrogen in fertilizer

  • T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method

Professional Standard - Commodity Inspection, Determination method of nitrate nitrogen in fertilizer

  • SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion

Shandong Provincial Standard of the People's Republic of China, Determination method of nitrate nitrogen in fertilizer

  • DB37/T 3758-2019 Determination of Sodium Nitrate in Fertilizer by High Performance Liquid Chromatography

IN-BIS, Determination method of nitrate nitrogen in fertilizer

Henan Provincial Standard of the People's Republic of China, Determination method of nitrate nitrogen in fertilizer

  • DB41/T 1704-2018 Determination of total nitrogen content in compound fertilizers Dumas combustion method

Liaoning Provincial Standard of the People's Republic of China, Determination method of nitrate nitrogen in fertilizer

  • DB21/T 2557-2016 Method for Determination of Synthetic Pigments in Compound Fertilizers (Blended Fertilizers)




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