This short video provides viewers with an overview and short summary of Total Acid Number (TAN) and Total Base Number (TBN).
TAN and TBN are critical parameters in lubricating oil and are also measured in a wide range of other petrochemicals. The measurement is a quantification of the acidic or basic impurities, is tested by non aqueous titration and the units used to express both TAN and TBN are milligrams/gram of potassium hydroxide. There are a number of specified methods and a change in method may result in a change of test result. However, the most commonly used methods are those specified by ASTM.
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