KS K ISO 1833-6:2022 Textiles — Quantitative chemical analysis —Part 6: Mixtures of viscose, certain types of cupro, modal or lyocell with certain other fibres(method using formic acid and zinc chloride)
2022KS K ISO 1833-6:2022 Textiles — Quantitative chemical analysis —Part 6: Mixtures of viscose, certain types of cupro, modal or lyocell with certain other fibres(method using formic acid and zinc chloride)
2018KS K ISO 1833-6:2018 Textiles — Quantitative chemical analysis — Part 6: Mixtures of viscose or certain types of cupro or modal or lyocell and cotton fibres(method using formic acid and zinc chloride)
2009KS K ISO 1833-6:2009 Textiles-Quantitative chemical analysis-Part 6:Mixtures of viscose or certain types of cupro or modal or lyocell and cotton fibres (method using formic acid and zinc chloride)