Method for determination of total acid number in petroleum products by semi-micro colour indicator titration
Summary:
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$u-$u9.
Pages:
12
BS 7393:1990 International Equivalent:
ISO 7537:1989
BS 7393:1990 Key Phrases:
Petroleum products, Acid number, Volumetric analysis, Acidimetry, Lubricants, Test equipment, Chemical analysis and testing, Lubricating oils, Oils, Specimen preparation, Reproducibility
BS 7393:1990 Cross References:
BS 6376:Part 2, BS 2000:Part 139, ISO 4263, ISO 6619, Health and Safety at Work etc. Act 1974