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ISO 1833-4:2023

Textiles — Quantitative chemical analysis — Part 4: Mixtures of certain protein fibres with certain other fibres (method using hypochlorite)

General information
Valid from 22.09.2023
Directives or regulations
None

Standard history

Status
Date
Type
Name
22.09.2023
Main
26.07.2017
Main
This document specifies a method, using hypochlorite, to determine the mass percentage of protein fibre, after removal of non-fibrous matter, in textiles made of mixtures of certain non-protein fibres and certain protein fibres, as follows:
—     wool, other animal-hair (such as cashmere, mohair), silk, protein,
with
—     cotton, cupro, viscose, modal, acrylic, chlorofibres, polyamide, polyester, polypropylene, glass, elastane, elastomultiester, elastolefin, melamine and polypropylene/polyamide bicomponent.
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