BS EN ISO 1833-21-2010
纺织品.定量化学分析.氯纶,某些变形腈纶,某些弹性纤维,醋酸纤维,三醋酸纤维和某些其他纤维的混合物(环己酮法)
Textiles. Quantitative chemical analysis. Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates and certain other fibres (method using cyclohexanone)