ASTM D4739-2011 标准详情
- 标准号:ASTM D4739-2011
- 中文标题:电势滴定法测定碱值的标准试验方法
- 英文标题:standard test method for base number determination by potentiometric hydrochloric acid titration
- 标准类别:美国材料与试验协会ASTM
- 发布日期:2011-05-15
New and used petroleum products can contain basic constituents that are present as additives. The relative amount of these materials can be determined by titration with acids. The base number is a measure of the amount of basic substances in the oil
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