This standard specifies the use of sulfuric acid after removing non-fibers in a fiber mixture consisting of the following two components:
KS K ISO 1833-11:2009 history
2023KS K ISO 1833-11-2023 Textiles — Quantitative chemical analysis — Part 11: Mixtures of certain cellulose fibres with certain other fibres (method using sulfuric acid)
2018KS K ISO 1833-11:2018 Textiles — Quantitative chemical analysis — Part 11: Mixtures of certain cellulose fibres with certain other fibres (method using sulfuric acid)
2009KS K ISO 1833-11:2009 Textiles-Quantitative chemical analysis-Part 11:Mixtures of cellulose and polyester fibres(method using sulfuric acid)