ASTM D2868-2010 标准详情
- 标准号:ASTM D2868-2010
- 中文标题:皮革的氮含量(Kjeldahl法)和生皮料含量的标准试验方法
- 英文标题:Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather, Wet Blue and Wet White
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2010-11-01
The nitrogen content as determined by this test method is normally considered to be related to the amount of hide substance (protein fiber) present in the leather sample. A factor of 5.62 is normally used to calculate the hide substance from the nitr
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