ASTM D2019-1997(2002) 标准详情
- 标准号:ASTM D2019-1997(2002)
- 中文标题:纸和纸板中杂质的标准试验方法
- 英文标题:Standard Test Method for Dirt in Paper and Paperboard
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1997
1.1 This test method (1, 2, 3) is intended for the numerical estimation of dirt in paper or paperboard in terms of equivalent black area. This test method is satisfactory only for the estimation of visual dirtiness and it may be entirely inadequate w
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