Textiles - Quantitative chemical analysis - Part 26: Mixtures of melamine and cotton or aramide fibres (method using hot formic acid) (ISO/DIS 1833-26:2020); German and English version prEN 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— 11 стр.