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ISO/AWI 25300

Fertilizers, Soil conditioners and Beneficial Substances — Simultaneous Determination of free amino acid content

General information

20.00     Oct 2, 2024

ISO

ISO/TC 134

International Standard

Scope

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.

Life cycle

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IN_DEVELOPMENT
ISO/AWI 25300
20.00 New project registered in TC/SC work programme
Oct 2, 2024

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