
Method for determination of total acid number in petroleum products by semi-micro colour indicator titration
出版:British Standards Institution

专家解读视频
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(sup)-(sup)9.
© British Standards Institution 2013
ISO 7537:1997 - Equivalent