ASTM D 874-2006 标准详情
- 标准号:ASTM D 874-2006
- 中文标题:润滑油和添加剂中硫酸盐类灰分的标准测试方法
- 英文标题:standard test method for sulfated ash from lubricating oils and additives ip designation: 163/96
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2006-05-01
The sulfated ash can be used to indicate the concentration of known metal-containing additives in new oils. When phosphorus is absent, barium, calcium, magnesium, sodium and potassium are converted to their sulfates and tin (stannic) and zinc to thei
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