DIN EN ISO 1833-25:2020 纺织品. 定量化学分析. 第25部分: 聚酯和某些其他纤维的混合物(使用三氯乙酸和三氯甲烷法) (ISO 1833-25-2020); 德文版本EN ISO 1833-25-2020
Textiles - Quantitative chemical analysis - Part 25: Mixtures of polyester with certain other fibres (method using trichloroacetic acid and chloroform) (ISO 1833-25:2020); German version EN ISO 1833-25:2020
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)