KS K ISO 1833-21-2022 紡織品.定量化學(xué)分析.第21部分:氯纖維、某些改性聚丙烯腈、某些彈性烷、乙酸酯、三乙酸酯與某些其他纖維的混合物(環(huán)己酮法)
Textiles — Quantitative chemical analysis — Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres(method using cyclohexanone)