Textiles - Quantitative chemical analysis - Part 18: Mixtures of silk with other protein fibres (method using sulfuric acid) (ISO/DIS 1833-18:2018); German and English version prEN ISO 1833-18:2018
Textiles - Quantitative chemical analysis - Part 18: Mixtures of silk with other protein fibres (method using sulfuric acid) (ISO 1833-18:2019); German version EN ISO 1833-18:2019— 11 стр.
