Method for quantitative chemical analysis of binary mixtures of regenerated cellulose fibres and cotton – Part 1 Sodium zincate method (first revision)
Method for quantitative chemical analysis of binary mixtures of regenerated cellulose fibres and cotton – Part 4 Sulphuric acid method (first revision)
Textiles – Binary mixtures of cellulose triacetate and secondary cellulose acetate fibres – Methods for quantitative chemical analysis (first revision)