DIN EN ISO 1833-26:2021 纺织品. 定量化学分析. 第26部分: 三聚氰胺与某些其他纤维的混合(热甲酸方法)(ISO 1833-26-2020); 德文版本EN ISO 1833-26-2020
Textiles - Quantitative chemical analysis - Part 26: Mixtures of melamine with certain other fibres (method using hot formic acid) (ISO 1833-26:2020); German version EN ISO 1833-26:2020
This document specifies a method using hot formic acid to determine the mass percentage of melamine fibres after removal of non-fibrous matter, in textiles made of mixtures of melamine fibres with cotton, polypropylene or aramid fibres.