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ISO 20921:2019

Current Date published:

Textiles — Determination of stable nitrogen isotope ratio in cotton fibres

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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Related Information

Similar Standards

  • AS/NZS 2450:1994

    Textiles - Natural and man-made fibres - Generic names

  • BS 2610:1978

    Method of test for the determination of the cuprammonium fluidity of cotton and certain cellulosic man-made fibres

  • BS 2889:1967

    Method for the determination of trash content of cotton and for trash and lint content of waste intended for spinning, by the Shirley analyser

  • BS 3181-1:1987

    Methods for determination of cotton fibre properties by the airflow method, Determination of micronaire value by the single compression airflow method

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ISO 20921:2019

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