BS ISO 20921:2019
BS ISO 20921:2019 Textiles. Determination of stable nitrogen isotope ratio in cotton fibres
standard by British Standard / International Organization for Standardization, 02/01/2019
Full Description
BS ISO 20921:2019 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.All current amendments available at time of purchase are included with the purchase of this document.