ISO 20921:2019
Textiles — Determination of stable nitrogen isotope ratio in cotton fibres

Standard No.

ISO 20921:2019

Release Date

2019

Published By

International Organization for Standardization (ISO)

Latest

ISO 20921:2019

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.

ISO 20921:2019 history

• 2019 ISO 20921:2019 Textiles — Determination of stable nitrogen isotope ratio in cotton fibres