规定了一种测定所有形式的纺织品颜色对制造操作的耐受性的方法，该操作旨在通过高温处理和引用的化学品去除蔬菜杂质。该方法主要适用于含有羊毛的羊毛和纺织品，尤其是含有醋酸盐或聚酰胺纤维的羊毛和纺织品。对处理过的试样进行干燥、烘焙、冲洗和中和。冲洗、中和和干燥后的颜色变化用灰阶进行评估。

Specifies a method for determining the resistance of the colour of textiles in all forms to the manufacturing operation designed to remove vegetable impurities by a treatment at high temperatures and with the cited chemical. The method is mainly applicable to wool and textiles containing wool, particularly those containing also acetate or polyamide fibres. The treated specimen is dried, baked, rinsed and neutralized. The changes in colour after rinsing, neutralizing and drying are assessed with the grey scale.