描述了一种测定纺织品颜色对氢氧化钠浓溶液作用的耐受性的方法。该方法主要适用于棉花和含有棉花的混合物。与指定相邻织物接触的织物样本用氢氧化钠溶液处理，漂洗、酸化、再次漂洗并干燥。用灰阶评估试样颜色的变化和相邻织物的染色。

Describes a method for determining the resistance of the colour of textiles to the action of concentrated solutions of sodium hydroxide. The method is mainly applicable to cotton and to mixtures containing cotton. A specimen of the textile in contact with a specified adjacent fabric is treated with sodium hydroxide solution, rinsed, acidified, rinsed again, and dried. The change in colour of the specimen and the staining of the adjacent fabric are assessed with the grey scale.