BS ISO 20921:2019
Textiles. Determination of stable nitrogen isotope ratio in cotton fibres
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- 标准号
- BS ISO 20921:2019
- 发布
- 2019年
- 发布单位
- 英国标准学会
- 当前最新
- BS ISO 20921:2019
- 适用范围
- What is this standard about? 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.