ISO 1833-21:2019
Textiles — Quantitative chemical analysis — Part 21: Mixtures of chlorofibres, certain modacrylics, certain elastanes, acetates, triacetates with certain other fibres (method using cyclohexanone)
AS 2001.7.13-1983
Methods of test for textiles, Part 7.13: Quantitative analysis of fibre mixtures - Binary mixtures of acetate and certain chlorofibres (method using glacial acetic acid)
EN ISO 1833-21:2019