Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

Free ammonia detection method

Free ammonia detection method, Total:71 items.

The international standard classification for "Free ammonia detection method" includes: Thermosetting materials , Animal feeding stuffs , Tea , Biology. Botany. Zoology , Plastics in general , Non-destructive testing , Fruits. Vegetables , Tobacco, tobacco products and related equipment , Pesticides and other agrochemicals , Laboratory medicine .

The Chinese standard classification for "Free ammonia detection method" includes: Basic standards and general methods on chemical fertilizers , Basic standards and general methods for synthetic resin and plastic , Livestock and poultry feed and additive , Basic standards and general methods , Basic standards and general methods , Basic standards and general methods , Cash crop in general , Tobacco , Tea products , Basic standards and general methods for pesticides , Hydrogeological survey , Medical laboratory equipment .


Professional Standard - Commodity Inspection

  • SN/T 0736.10-1999 Chemical analysis of fertilizers for import and export - Determination of free acid content
  • SN/T 2784-2011 Determination of Free Ammonia for Import Phenolic Plastics
  • SN/T 0736.10-2013 Test method of import and export fertilizers. Part 10:Determination of free acid

未注明发布机构

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

  • GB/T 5473-1985 Phenol-formaldehyde mouldings; Detection of free ammonia
  • GB/T 23737-2009 Determination of free canavanine in feeds - Ion exchange chromatography
  • GB/T 32074-2015 Non-destructive testing―Test method for ammonia leak testing
  • GB/T 8314-2013 Tea - Determination of Free Amino Acids Content
  • GB/T 5473-2016 Plastics-Phenol formaldehyde mouldings-Detection of free ammonia
  • GB/T 30987-2014 Determination of free amino acids in plants
  • GB/T 8314-2002 Tea - Determination of free amino acids content
  • GB/T 12292-1990 Juice of fruits and vegetables--Determination of free amino acid

Group Standards of the People's Republic of China

  • T/SHSYCXH 11-2022 Determination of free amino acids in serum—Liquid chromatography tandem mass spectrometry
  • T/GXAF 0010-2023 Spectrophotometric method for the determination of free amino acid content in water-soluble fertilizers

Professional Standard - Tobacco

  • YC/T 282-2009 Tobacco leaf—Determination of dissociated amino acids—Amino acids analyzer method

Professional Standard - Agriculture

  • GB/T 8314-1987 Tea--Determination of free amino acids content
  • NY/T 1975-2010 Water-soluble fertilizers. Determination of amino-acids content

海关总署

  • SN/T 5223-2019 Determination of 18 free amino acids in honey一HPLC-FLD method

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 41225-2021 Limit and determination of free phenols in phenoxy carboxylic acid herbicides
  • GB/T 30987-2020 Determination of free amino acids in plant

Professional Standard - Geology

  • DZ/T 0064.47-1993 Groundwater quality test methods - the determination of free carbon dioxide with titrimetry

Professional Standard - Light Industry

  • QB/T 4356-2012 Determination of Free Amino Acids in Chinese Rice Wine - High Performance Liquid Chromatography

国家药监局

CZ-CSN

  • CSN 64 0236-1963 Detection of free Amonia in phenol ormaldehyde mouldings Qualitative method)

RU-GOST R

  • GOST 27749.2-1988 Carbamid. Method of free ammonia content determination
  • GOST 11233-1965 Plastics. Methods for the determination of free ammonia content and ammonium compounds
  • GOST R 54743-2011 Juice products. Determination of free amino acids by ion-exchange chromatography method
  • GOST ISO 1271-2014 Essential oils. Determination of carbonyl value. Free hydroxylamine method
  • GOST 32799-2014 Juice products. Determination of free amino acids by ion-exchange chromatography
  • GOST 12524-1978 Paper. Method of determination of free chlore

International Organization for Standardization (ISO)

  • ISO 172:1978 Plastics; Phenol-formaldehyde mouldings; Detection of free ammonia

Danish Standards Foundation

German Institute for Standardization

  • DIN EN ISO 172:1998-10 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia (ISO 172:1978); German version EN ISO 172:1998
  • DIN EN ISO 172:1998 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia (ISO 172:1978); German version EN ISO 172:1998

SCC

  • DANSK DS/EN ISO 172:1998 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia
  • BS 2690-7:1968 Methods of testing water used in industry-Nitrite, nitrate and ammonia (free, saline and albuminoid)
  • NS-EN ISO 172:1998 Plastics — Phenol-formaldehyde mouldings — Detection of free ammonia (ISO 172:1978)
  • AENOR UNE-EN ISO 172:1999 PLASTICS - PHENOL-FORMALDEHYDE MOLDINGS - DETECTION OF FREE AMMONIA (ISO 172:1978)

GSO

  • OS GSO ISO 172:2015 Plastics -- Phenol-formaldehyde mouldings -- Detection of free ammonia
  • GSO ISO 172:2015 Plastics -- Phenol-formaldehyde mouldings -- Detection of free ammonia
  • BH GSO ISO 172:2016 Plastics -- Phenol-formaldehyde mouldings -- Detection of free ammonia
  • GSO ISO 120:2015 Plastics -- Phenol-formaldehyde mouldings -- Determination of free ammonia and ammonium compounds -- Colorimetric comparison method

Lithuanian Standards Office

  • LST EN ISO 172:2000 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia (ISO 172:1978)

KR-KS

American Society for Testing and Materials (ASTM)

  • ASTM D1979-97 Standard Test Method for Free Formaldehyde Content of Amino Resins

Korean Agency for Technology and Standards (KATS)

AENOR

  • UNE-EN ISO 172:1999 PLASTICS - PHENOL-FORMALDEHYDE MOULDINGS - DETECTION OF FREE AMMONIA (ISO 172:1978)

TR-TSE

  • TS 462-1979 PLASTICS — PMEHOL — FORMALDENYDE MOULDING DETECTION OF FREE AMHONIA

British Standards Institution (BSI)

  • BS EN ISO 172:1980 Plastics. Phenol-formaldehyde mouldings. Detection of free ammonia
  • BS EN ISO 172:1998 Plastics - Phenol-formaldehyde mouldings - Detection of free ammonia
  • BS ISO 1271:1983 Essential oils - Determination of carbonyl value - Free hydroxylamine method

Association Francaise de Normalisation

ZA-SANS

SE-SIS

European Committee for Standardization (CEN)

  • EN ISO 172:1998 Plastics - Phenol-Formaldehyde Mouldings - Detection of Free Ammonia ISO 172:1978

Canadian General Standards Board (CGSB)

NL-NEN

  • NEN 2850-1984 Fruit juices - Determination of free amino acids content - Column chromatographic method
  • NEN 6644-1983 Water - Calculation of free ammoniac content

ES-AENOR

  • UNE 53 088 Determination of free ammonia in formaldehyde-phenol molds
  • UNE 53 108 Method for mass determination of free ammonia in phenolic mold plastic materials

United States Navy

GOSTR

  • GOST 34230-2017 Juice products. Determination of free amino acids by high performance liquid chromatography method

AR-IRAM

  • IRAM 13 309-1962 plastic. Determination method for determining the content of free ammonia and ammonia-containing compounds in phenolic plastic molds

VN-TCVN

  • TCVN 2704-1978 Greases.Method for the determination of free alkalic and free organic acids

PL-PKN

  • PN C89060-1959 plastic. Approximate method for determination of free ammonia and ammonium phenolic compounds content in products