Textiles - Quantitative chemical analysis - Part 20: Mixtures of elastane and certain other fibres (method using dimethylacetamide) (ISO 1833-20:2009)— 11 стр.
Textiles - Quantitative chemical analysis - Part 1: General principles of testing (ISO 1833-1:2006, including Cor 1:2009); German version EN ISO 1833-1:2010— 25 стр.
Textiles - Quantitative chemical analysis - Part 18: Mixtures of silk with wool or other animal hair (method using sulfuric acid) (ISO 1833-18:2020); German version EN ISO 1833-18:2020— 11 стр.