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Database: 365,228(8 Aug 2026)

nitrogen

nitrogen, Total:189 items.

The international standard classification for "nitrogen" includes: Laboratory ware and related apparatus , Chemical elements , Gases for industrial application , Ferroalloys , Fertilizers , Workplace atmospheres , Salts , Heat treatment and coating , Coals , Cans. Tins. Tubes , food products in general , Deck equipment and installations , Farming and forestry , Ground service and maintenance equipment , Gears , Graphic technology in general , Other products of the chemical industry , Chemical reagents , Heat-treatable steels , Aircraft and space vehicles in general , Electromechanical components for electronic and telecommunications equipment , Aluminium and aluminium alloys , Surface active agents , Powder metallurgy , Refractories , Steels , Spices and condiments. Food additives , Fire-protection , Ambient atmospheres , Farming and forestry in general .

The Chinese standard classification for "nitrogen" includes: Industrial gas and chemical gas , Iron alloy , Basic standards and general methods on chemical fertilizers , Steel and iron alloy analysis method , Labor sanitation , Inorganic salt , Heat treatment , Photographic-grade chemicals , Hygiene, safety and labor protection , Coal analysis methods , Refrigeration equipment , Food sanitation , Basic standards and general methods , Packaging material and container , Engine room equipment , Soil and fertilizer in general , Fertilizer and soil conditioner , Sugar-yielding crop and product , Aerospace ground equipment in general , Gas separation and liquefaction equipment , Gear and gear drive , Micro and copier machinery , Pharmaceutical processing machinery and equipment , Chemical fertilizer and chemical soil conditioner , Water treatment agent , General inorganic reagent , Dye intermediate , Steel and iron products in general , Insulating parts for electronic equipment , Beneficiation reagent , Metal and alloy powder , Special refractory , Analysis methods for exhaust emission pollutants , Metal casting and forging materials used for aviation and aerospace , Hot processing technology , Flavoring materials , Fire protection technology , Chemical reagent in general , Cereal crop and forage crop in general .


General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

  • GJB 3403A-2019 Specification for gaseous nitrogen and liquid nitrogen

Professional Standard - Agriculture

  • NY/T 1754-2009 Determination of kalium, sodium and α-nitrogen in root of sugarbeet
  • NY/T 297-1995 Determination of Total Nitrogen in Organic Fertilizers
  • NY/T 2017-2011 Determination of nitrogen,phosphorus and potassium in plants
  • NY 26-1986 Autoboosting liquid nitrogen container
  • NY/T 1105-2006 The rule of rational fertilization nitrogen fertilizer
  • NY/T 2419-2013 Determination of total nitrogen in plant - Automatic kjeldahl apparatus method
  • T/CCGA 50001-2019 Food grade nitrogen
  • NY/T 1116-2014 Fertilizer - Determination for content of nitrate nitrogen, ammonium nitrogen and amidonitrogen
  • NY/T 1121.24-2012 Soil Testing - Part 24: Determination of Total Nitrogen in Soil - Automatic Kjeldahl Apparatus Method
  • NY/T 2542-2014 Fertilizers. Determination of total nitrogen nitrogen content
  • NY 411-2000 Azotobacter fertilizer

Professional Standard - Aerospace

Military Standard of the People's Republic of China-General Armament Department

Professional Standard - Machinery

Professional Standard - Chemical Industry

Group Standards of the People's Republic of China

Ningxia Provincial Standard of the People's Republic of China

国家市场监督管理总局、中国国家标准化管理委员会

Jilin Provincial Standard of the People's Republic of China

  • DB22/T 1932-2013 Determination method of total nitrogen content in peat (Kjeldahl method)
  • DB22/T 2270-2015 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
  • DB22/T 2270-2018 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis

Professional Standard - Electron

Professional Standard - Non-ferrous Metal

Professional Standard - Ferrous Metallurgy

Professional Standard - Environmental Protection

  • HJ/T 64.3-2001 Stationary source emission -- Determination of cadmium p-Azobenzenediazoaminazobenzene sulfonic acid spectrophotometric method
  • HJ 479-2009 Ambient air - Determination of nitrogen oxides - N-(1-naphthyl) ethylene diamine dihydrochloride spectrophotometric method
  • HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods

Hubei Provincial Standard of the People's Republic of China

  • DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry

Professional Standard - Aviation

  • HB 5413-1988 Nitrogen for heat treatment
  • HB/Z 20023-2014 Process for plasma nitriding and plasma nitrocarburizing on steel parts for aviation
  • HB 5220.23-1982 Determination of nitrogen content in superalloys
  • HB/Z 343-2001 Heat treatment of controllable nitrogenous base protection atmosphere
  • HB 5022-1994 Determination of Metallographic Structure of Nitriding and Nitrocarburizing and Carbonitriding of Aircraft Steel
  • HB 5023-1994 Determination of Depth of Nitriding and Nitrocarburizing and Carbonitriding of Aircraft Steel

Henan Provincial Standard of the People's Republic of China

  • DB41/T 1816-2019 Technical regulations for identification and evaluation of nitrogen utilization and low nitrogen tolerance in maize
  • DB4105/T 179-2021 Technical Regulations on Nitrogen Fertilizer Control for Wheat

Taiwan Provincial Standard of the People's Republic of China

  • CNS 188-1971 Method of Analysis for Calcium Cyanamide
  • CNS 8449-2001 Method of Test for Fertilizers: Determination of Nitrogen Content
  • CNS 3942-1976 Methods for Determination of Ammonia Nitrogen in Polluted and Waste Water
  • CNS 266-2000 Calcium cyanamide,fertilizer grade
  • CNS 11304-2002 Iron and steel-Methods for determination of nitrogen content
  • CNS 12786-1990 Method of Chemical Analysis for Silicon Nitride Powders
  • CNS 3943-1976 Method for Determination of Organic Nitrogen in Poliuted and Waste Water
  • CNS 14288-2006 Method of measuring nitrided case depth for iron and steel
  • CNS 14534-2001 Nitrogen fertilizer fluid
  • CNS 10509-1983 Methods of Chemical Analysis for Nitrogen in Ferrochromium
  • CNS 14896.1-2005 Titanium and titanium alloys - Methods for determination of nitrogen content
  • CNS 14896-1-2005 Titanium and titanium alloys - Methods for determination of nitrogen content
  • CNS 1436-2001 Mixed Nitrogen Fertilizer(fluid)

Professional Standard - Business

Hebei Provincial Standard of the People's Republic of China

Professional Standard - Public Safety Standards

  • GA 1206-2014 Nitrogen injection and oxygen reduction fire prevention device

Sichuan Provincial Standard of the People's Republic of China

Inner Mongolia Provincial Standard of the People's Republic of China

  • DB15/T 1236-2017 Determination of volatile basic nitrogen in feedstuffs of animal origin by automatic Kjeldahl method

Tianjin Provincial Standard of the People's Republic of China

应急管理部

  • XF 1206-2014 Nitrogen injection and oxygen reduction fire prevention device

Professional Standard-Ships

Professional Standard - Urban Construction

  • CJ/T 75-1999 Municipal sewage.Determination of nitrogen(ammonia)

Guizhou Provincial Standard of the People's Republic of China

  • DB52/T 1607-2021 Nitrogen, Phosphorus and Potassium Nutrient Limits for Tea Gardens
  • DB52/T 1710-2023 Technical Regulations for Nitrogen-controlled Cultivation of Rice

Beijing Provincial Standard of the People's Republic of China

  • DB11/T 749-2010 Environmental Risk Assessment of Farmland Nitrogen and Phosphorus

Liaoning Provincial Standard of the People's Republic of China

Professional Standard - Commodity Inspection

  • SN/T 1037-2002 Method for the determination of lime nitrogen for import and export

海关总署

  • SN/T 1037-2020 Method for the inspection of Lime nitrogen for import and export

Heilongjiang Provincial Standard of the People's Republic of China

  • DB23/T 3310-2022 Water quality total nitrogen monitoring technical specification

National Metrological Verification Regulations of the People's Republic of China

  • JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen
  • JJG 631-2013 Ammonia-Nitrogen Automatic Analyzers

国家粮食和物资储备局

  • LS/T 1225-2022 Code of practice for nitrogen controlled atmosphere technology in grain storage

Spanish Association for Standardization (UNE)

  • UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • UNE-CEN/TS 15604:2008 EX Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • 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 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

GOSTR

  • 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

Danish Standards Foundation

  • DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • 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 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

Lithuanian Standards Office

  • LST EN 15604-2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

European Committee for Standardization (CEN)

  • EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

SCC

  • 08/30179332 DC BS EN 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • AENOR UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • SN-CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • NS-EN 15604:2009 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • DANSK DS/ISO 15604:2020 Fertilizers – Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • DANSK DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
  • DIN EN 15750 E:2009 Draft Document - Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version prEN 15750:2009
  • BS DD CEN/TS 15750:2006 Fertilizers. Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
  • DIN EN ISO 15604 E:2019 Draft Document - Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen (ISO 15604:2016); German and English version prEN ISO 15604:2019
  • BS DD 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 Institute for Standardization

  • 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 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 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

RU-GOST R

  • GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen

GM Europe

Association Francaise de Normalisation

  • 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 U42-191:2019 Fertilizers - Nitrogenous fertilizers containing synthetic organic nitrogen - Determination of the types of nitrogen

British Standards Institution (BSI)

  • 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
  • 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
  • BS EN 15604:2009 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