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ISO/AWI 25341

Fertilizers, Soil conditioners and Beneficial Substances — Determination of γ- polyglutamic content

General information

20.00     10 tet 2024

ISO

ISO/TC 134

International Standard

Scope

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.

Life cycle

NOW

IN_DEVELOPMENT
ISO/AWI 25341
20.00 New project registered in TC/SC work programme
10 tet 2024

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