NS-EN ISO 1833-25:2020
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Textiles — Quantitative chemical analysis — Part 25: Mixtures of polyester with certain other fibres (method using trichloroacetic acid and chloroform) (ISO 1833-25:2020)
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07-01-2020
This document specifies a method using trichloroacetic acid and chloroform to determine the mass percentage of polyester fibres after removal of non-fibrous matter, in textiles made of mixtures of — polyester fibres with — aramid fibres (except polyamide imide), flame retardant (FR) viscose and polyacrylate.
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