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  4. Standard "ISO 20921:2019"
Standard ISO 20921:2019 31.1.2019 preview

ISO 20921:2019

Textiles — Determination of stable nitrogen isotope ratio in cotton fibres

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STANDARD published on 31.1.2019


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The information about the standard:

Designation standards: ISO 20921:2019
Publication date standards: 31.1.2019
SKU: NS-936925
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: International technical standard
Category: Technical standards ISO

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Natural fibres

Annotation of standard text ISO 20921:2019 :

Description / Abstract: 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.

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