本文件规定了一种方法，使用稀释醋酸，在去除非纤维物质后，测定由以下混合物制成的纺织品中壳聚糖纤维的质量百分比:-壳聚糖纤维具有-某些其他纤维。本方法适用于壳聚糖纤维与纤维素纤维（棉、麻、苎麻、粘胶、莫代尔、莱赛尔）、蛋白质纤维（羊毛、羊绒、丝绸）或合成纤维（聚酯、聚酰胺、丙烯酸）的纤维混合物。

This document specifies a method, using diluted acetic acid, to determine the mass percentage of chitosan fibres, after elimination of non-fibrous matter, in textiles made of mixtures of: — chitosan fibre with — certain other fibres. This method is applicable to fibre mixtures of chitosan fibre with cellulose fibres (cotton, linen, ramie, viscose, modal, lyocell), protein fibres (wool, cashmere, silk), or synthetic fibres (polyester, polyamide, acrylic).