Approved Work Item
ISO/AWI 25300
Fertilizers, Soil conditioners and Beneficial Substances — Simultaneous Determination of free amino acid content
Reference number
ISO/AWI 25300
Edition 1
© ISO 2024
Approved Work Item
Under development
A working group has prepared a draft.

Abstract

This document specifies the methods for determining the content of free amino acids in fertilizers, including the use of automatic amino acid analyzers, pre-column derivatization followed by high-performance liquid chromatography and high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS). These methods are applicable to the following amino acids: Asparagine Tryptophan, Glutamine, Theanine, Aspartic acid, Threonine, Serine, Glutamic acid, Proline, Glycine, Alanine, Valine, Methionine, Isoleucine, Leucine, Tyrosine, Phenylalanine, Histidine, Lysine, Arginine, and Cysteine.

General information

  • Status
     : Under development
    Stage
    : New project registered in TC/SC work programme [20.00]
  • Edition
     : 1
  • Technical Committee :
    ISO/TC 134
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

2
Zero Hunger
12
Responsible Consumption and Production
13
Climate Action

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