ASTM D3913-1993(1998) 标准详情
- 标准号:ASTM D3913-1993(1998)
- 中文标题:碱性铬鞣革剂中酸性的试验方法
- 英文标题:standard test method for acidity in basic chromium tanning liquors
- 标准类别:美国材料与试验协会ASTM
- 发布日期:1993
1.1 This test method covers the determination of the titratable acidity of chromium tanning liquors. By titratable acidity is meant not only free acidity, which is rarely present, but also anions combined with weakly basic cations such as Chromium
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