BS 7393-1990
采用半微量彩色指示器滴定法测定石油产品中的总酸值
Method for determination of total acid number in petroleum products by semi-micro colour indicator titration
- 适用范围
- Determination in new or used products or lubricants soluble or suspendable in mixtures of toluene or isopropanol. Determination on a sample too small to be accurately analysed by other methods when the acidity has a dissociation constant in water larger than 10
- 9.