Abstract / 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 20921:2019Published
Textiles — Determination of stable nitrogen isotope ratio in cotton fibres
Textiles — Détermination du rapport isotopique stable de l'azote dans les fibres de coton