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ISO 20921:2019

Textiles — Determination of stable nitrogen isotope ratio in cotton fibres

Publication date: Jan 31, 2019

General information

Current stage: 90.93 Effective date: Jul 31, 2024

Originator: ISO

Owner: ISO/TC 38

Type: International Standard

ICS: 59.060.10

Languages: English

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Status: Published

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Scope

This document specifies the determination of the ratio of nitrogen isotopes in cotton fibres that are used for textile production. It applies not only to cotton textiles but also to raw cotton taken from cotton fields.

Life cycle

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PUBLISHED
ISO 20921:2019
90.93 Standard confirmed
Jul 31, 2024