Committee Draft
ISO/CD 25341
Fertilizers, Soil conditioners and Beneficial Substances — Determination of γ- polyglutamic content
Reference number
ISO/CD 25341
Edition 1
© ISO 2025
Committee Draft
Under development
A draft is being reviewed by the committee.

Abstract

This document specifies the determination of polyglutamic acid content in fertilizers by high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS), pre-column derivatization high-performance liquid chromatography (HPLC) with dansyl chloride and amino acid analyzer. This document applies to fertilizers, soil conditioners and Beneficial Substances that contain polyglutamic acid and do not contain other components that produce glutamic acid upon hydrolysis.

General information

  • Status
     : Under development
    Stage
    : CD consultation initiated [30.20]
  • 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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