DIN EN ISO 1833-3-2021 纺织品. 定量化学分析. 第3部分: 纤维素和聚酯纤维的混合(硫酸法)(ISO 1833-3-2020);德文版本EN ISO 1833-3-2020
Textiles - Quantitative chemical analysis - Part 3: Mixtures of acetate with certain other fibres (method using acetone) (ISO 1833‐3:2020); German version EN ISO 1833-3:2020
This document specifies a method, using acetone, to determine the mass percentage of acetate, after removal of non-fibrous matter, in textiles made of mixtures of acetate with wool, animal hair, silk, protein, cotton (scoured, kiered, or bleached), flax (or linen), hemp, jute, ab