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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)
standard by International Organization for Standardization, 10/01/2020
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ISO 1833-18:2020 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.