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Database: 365,228(8 Aug 2026)

free amino acids

free amino acids, Total:39 items.

The international standard classification for "free amino acids" includes: Tobacco, tobacco products and related equipment , Tea , Biology. Botany. Zoology , Fruits. Vegetables , Animal feeding stuffs , Laboratory medicine .

The Chinese standard classification for "free amino acids" includes: Tobacco , Tea products , Basic standards and general methods , Basic standards and general methods , Cash crop in general , Livestock and poultry feed and additive , Medical laboratory equipment .


Professional Standard - Tobacco

  • YC/T 282-2009 Tobacco leaf—Determination of dissociated amino acids—Amino acids analyzer method
  • YC/T 448-2012 Tobacco and tobacco products—Determination of free amino acids—Ion chromatography with integrated pulsed amperometric method

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

Professional Standard - Agriculture

  • NY/T 1975-2010 Water-soluble fertilizers. Determination of amino-acids content

Professional Standard - Light Industry

  • QB/T 8056-2024 Amino acid surfactant glutamic acid type
  • QB/T 5197-2017 Determination of 12 kinds of free amino acids in wines-High performance liquid chromatography
  • 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/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
  • T/NAIA 0206-2023 Determination of Free Amino Acids in Edible Fungi by Liquid Chromatography-Mass Spectrometry
  • T/JMZJXH 006-2020 Determination of ethyl carbamate content in the coating —Gas chromatography-mass spectrometry

Professional Standard - Nuclear Industry

  • EJ/T 857-1994 Free thyroxine, free triiodothyronine radioimmunoassay kit

Professional Standard - Medicine

Gosstandart of Russia

  • GOST R 54743-2011 Juice products. Determination of free amino acids by ion-exchange chromatography method
  • GOST 32799-2014 Juice products. Determination of free amino acids by ion-exchange chromatography
  • GOST 34230-2017 Juice products. Determination of free amino acids by high performance liquid chromatography method
  • GOST ISO 1271-2014 Essential oils. Determination of carbonyl value. Free hydroxylamine method

Portuguese Institute of Quality

  • NP EN 1243-2000 Adhesives Determination of free formaldehyde in amino and amidoformaldehyde condensates

Netherlands Institute for Standardization

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

Korean Agency for Technology and Standards (KATS)

  • KS M 3711-2018 Determination of free ammonia in phenol-formaldehyde molding

Spanish Association for Standardization (UNE)

  • UNE-EN 12742:2000 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
  • UNE 84122:2015 Cosmetic raw materials. Determination of free amidoamine in alkylamidobetaines.

Danish Standards Foundation

  • DANSK DS/EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method
  • DS/EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method

Lithuanian Standards Office

  • LST EN 12742-2000 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method

Association Francaise de Normalisation

  • NF EN 12742:1999 Fruit and vegetable juices - Determination of free amino acid contents - Liquid chromatography method

Standards Norway

  • NS-EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method

Swedish Institute for Standards

  • SS-EN 12742:1999 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method

Ente Nazionale Italiano di Unificazione

  • UNI EN 12742:2000 Fruit and vegetable juices - Determination of the free amino acids content - Liquid chromatographic method

Yugoslav Association for Standardization

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

South African Bureau of Standard

German Institute for Standardization

  • DIN EN 1243:1999-05 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates