Draft
International StandardISO/DIS 25341
Fertilizers, soil conditioners and beneficial substances — Determination of polyglutamic content
Reference number
ISO/DIS 25341
ISO/DIS 25341
Edition 1
© ISO 2026
Projet Norme internationale
ISO/DIS 25341
89972
Projet de Norme internationale au stade enquête auprès des membres de l’ISO.
ISO/DIS 25341
ISO/DIS 25341
89972
CHF
67
Résumé
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.
Informations générales
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État actuel: ProjetStade: Clôture du vote [40.60]
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Edition: 1
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Comité technique :ISO/TC 134ICS :65.080
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