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ISO 1833-18:2020
Textiles - Quantitative chemical analysis - Part 18: Mixtures of silk with wool or other animal hair (method using sulfuric acid)
This document specifies a method, using sulfuric acid, to determine the mass percentage of silk, after removal of non-fibrous matter, in textiles made of mixtures of
— silk
with
— wool or other animal hair.
International Organization for Standardization [iso]