Specifies a method, using sulfuric acid, to determine the proportion of cellulose fibre, after removal of non-fibrous matter, in textiles made of mixtures of natural and regenerated cellulose fibres and polyester fibre.
SANS 1833-11:2007 history
2007SANS 1833-11:2007 Textiles - Quantitative chemical analysis Part 11: Mixtures of cellulose and polyester fibres (method using sulfuric acid)