UNI EN ISO 1833-22:2021
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Textiles - Quantitative chemical analysis - Part 22: Mixtures of viscose or certain types of cupro or modal or lyocell with flax fibres (method using formic acid and zinc chloride)
Published date
11-04-2021
This document specifies a method, using formic acid and zinc chloride, to determine the mass percentage of viscose or certain types of cupro or modal or lyocell, after removal of non-fibrous matter, in textiles made of mixtures of - viscose or certain types of the cupro or modal or lyocell fibres with - flax fibres.
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