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)

Determination method of free ammonia

Determination method of free ammonia, Total:61 items.

The international standard classification for "Determination method of free ammonia" includes: Tobacco, tobacco products and related equipment , Tea , Biology. Botany. Zoology , Animal feeding stuffs , Plastics in general , Fruits. Vegetables , Thermosetting materials , Laboratory medicine .

The Chinese standard classification for "Determination method of free ammonia" includes: Tobacco , Basic standards and general methods , Basic standards and general methods , Livestock and poultry feed and additive , Basic standards and general methods for synthetic resin and plastic , Cash crop in general , Tea products , Medical laboratory equipment , Coal analysis methods .


Professional Standard - Tobacco

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

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

  • GB/T 12292-1990 Juice of fruits and vegetables--Determination of free amino acid
  • GB/T 30987-2014 Determination of free amino acids in plants
  • GB/T 8314-2013 Tea - Determination of Free Amino Acids Content
  • GB/T 5474-1985 Phenol-formaldehyde mouldings; Determination of free ammonia and ammonium compounds; Colorimetric comparison method
  • GB/T 23737-2009 Determination of free canavanine in feeds - Ion exchange chromatography
  • GB/T 13086-1991 Method for determination of free gossypol in feeds
  • GB/T 8314-2002 Tea - Determination of free amino acids content
  • GB/T 5473-1985 Phenol-formaldehyde mouldings; Detection of free ammonia
  • GB/T 5473-2016 Plastics-Phenol formaldehyde mouldings-Detection of free ammonia

Professional Standard - Agriculture

  • GB 12292-1990 Determination of free amino acid content in fruit and vegetable juice
  • NY/T 1975-2010 Water-soluble fertilizers. Determination of amino-acids content
  • GB/T 8314-1987 Tea--Determination of free amino acids content
  • GB 13086-1991 Method for determination of free gossypol in feeds

Professional Standard - Commodity Inspection

  • SN/T 2784-2011 Determination of Free Ammonia for Import Phenolic Plastics

国家市场监督管理总局、中国国家标准化管理委员会

Professional Standard - Light Industry

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

Group Standards of the People's Republic of China

  • T/GXAF 0010-2023 Spectrophotometric method for the determination of free amino acid content in water-soluble fertilizers
  • T/HBJLXH 003-2022 Calibration Method of Free calcium oxide analyzer

国家药监局

Professional Standard - Electricity

  • DL/T 498-1992 Measuring method for stray calcium oxide in flyash

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
  • GOST R 51468-1999 Caseins. Method for determination of free acidity
  • GOST 11235-2017 Phenolformaldehyde resins. Methods for determination of free phenol

SE-SIS

British Standards Institution (BSI)

  • BS ISO 1271:1983 Essential oils - Determination of carbonyl value - Free hydroxylamine method
  • DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free

CZ-CSN

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

Korean Agency for Technology and Standards (KATS)

American Society for Testing and Materials (ASTM)

Canadian General Standards Board (CGSB)

NL-NEN

  • NEN 2850-1984 Fruit juices - Determination of free amino acids content - Column chromatographic method

Spanish Association for Standardization (UNE)

  • 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
  • UNE 84122:2015 Cosmetic raw materials. Determination of free amidoamine in alkylamidobetaines.

KR-KS

AR-IRAM

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

GOSTR

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

South African Bureau of Standard

VN-TCVN

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

GSO

  • GSO ISO 120:2015 Plastics -- Phenol-formaldehyde mouldings -- Determination of free ammonia and ammonium compounds -- Colorimetric comparison method
  • DL/T 498-2023 Determination method of free calcium oxide in fly ash

YU-JUS

  • JUS G.S1.710-1984 Plastics. Phenol-formaldehyde mouldings. Determination of free ammonia

PL-PKN

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

Japanese Industrial Standards Committee (JISC)

  • JIS K 7230:1995 Determination of free ammonia in phenol-formaldehyde moldings

Lithuanian Standards Office

  • LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

Danish Standards Foundation

  • DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

CEN - European Committee for Standardization

  • PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free

German Institute for Standardization

  • DIN EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021

SCC

  • BS 6782-7:1995 Binders for paints-Method for determination of free-formaldehyde content of amino resins (sodium sulfite titrimetric method)