本文件规定了一种试验方法，用于识别含有儿茶色素的有色织物中所含的化学成分。儿茶可用于天然纤维和人造纤维。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。

This document specifies a test method which identifies the index ingredient chemical included in coloured fabric with catechu. Catechu can be applied to both natural fibre and man-made fibre.All current amendments available at time of purchase are included with the purchase of this document.