标准摘要
[中文适用范围]： 本文件规定了比较白色颜料的减淡（还原）能力与商定的同类型样品的减淡能力的一般测试方法。 指定了两个过程（A 和 B）。 程序A比程序B更快，适合测试一个颜料样品；程序 B 更适合测试多个样品，特别是在测试减淡能力未知的颜料时。 [外文原描述]： This document specifies a general method of test for comparing the lightening (reducing) power of a white pigment with the lightening power of an agreed sample of the same type. Two procedures (A and B) are specified. Procedure A is quicker than procedure B and is suitable for testing one sample of pigment; procedure B is better for testing several samples, and especially if a pigment of unknown lightening power is being tested.
英文名称General methods of test for pigments and extenders — Part 17: Comparison of lightening power of white pigments