ASTM D 2868-1996 标准详情
- 标准号:ASTM D 2868-1996
- 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
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1996-05-10
1.1 This test method covers the determination of the nitrogen content of all types of leather. The nitrogen content is used to calculate the hide substance (protein fiber) content of leather. Note 18212;This test method is essentially a composite of
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