警告——本文件要求在不遵守适当条件的情况下使用可能对健康/环境有害的物质/程序。它仅指技术适用性，并不免除用户在任何阶段与健康和安全/环境有关的法律义务。本文件规定了一种使用三氯乙酸和三氯甲烷测定去除非纤维物质后聚酯纤维质量百分比的方法，该方法由三氯乙酸和三氯甲烷的混合物制成 -含芳纶纤维（聚酰胺酰亚胺除外）、阻燃剂（FR）粘胶纤维和聚丙烯酸酯的聚酯纤维。购买本文件时可获得的所有当前修订均包含在购买本文件中。

WARNING — This document calls for the use of substances/procedures that may be harmful to the health/environment if appropriate conditions are not observed. It refers only to technical suitability and does not absolve the user from legal obligations relating to health and safety/environment at any stage.This document specifies a method using trichloroacetic acid and chloroform to determine the mass percentage of polyester fibres after removal of non-fibrous matter, in textiles made of mixtures of — polyester fibreswith— aramid fibres (except polyamide imide), flame retardant (FR) viscose and polyacrylate.All current amendments available at time of purchase are included with the purchase of this document.