Lab glossary
Total base number (TBN)
The alkaline reserve of an oil, mainly engine oil, expressed as the equivalent mg KOH/g. It neutralises acids formed by combustion and falls as the oil is used.
- Also: TBN
- Also: base number
- Also: BN
The alkaline reserve of an oil, mainly engine oil, expressed as the equivalent mg KOH/g. It neutralises acids formed by combustion and falls as the oil is used.