Total Acidity

Definition - What does Total Acidity mean?

Total acidity is the measure of the total number of hydrogen ions present in a substance in the form of fixed and volatile acids. It includes the potential hydrogen ions that can be released and hydrogen ions already released in solution.

Corrosionpedia explains Total Acidity

Total acidity is a key indicator for crude oil processing since it determines the processing strategies required to fractionally distill a crude sample. Crude oil with a higher acidity level is typically more difficult to process compared to crude oil with lower acidity.

Higher acidity crude oil is also more likely to cause corrosion. Therefore, determining the total acidity level enhances proper facility and equipment planning.

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