标准号:BS ISO 787-17-2002
中文标准名称:颜料和调和料的一般试验方法.白色颜料的亮度比较
英文标准名称:General methods of test for pigments and extenders - Comparison of lightening power of white pigments
标准类型:G54
发布日期:2002/9/19 12:00:00
实施日期:2002/9/19 12:00:00
中国标准分类号:G54
国际标准分类号:87.060.10
适用范围:This part of ISO 787 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 described. 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. NOTE When this general method is applicable to a given pigment, a cross-reference to it will simply be included in the International Standard relating to that pigment, with a note of any detailed modification which may be needed in view of the special properties of the pigment in question. Only when this general method is not applicable to a particular pigment will a special method for comparison of lightening power of white pigments be specified.
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