ISO 6293-2:1998

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Petroleum products — Determination of saponification number — Part 2: Potentiometric titration method

ISO 6293-2:1998 refers to an international standard that outlines a method for determining the "saponification number" of petroleum products, specifically using a potentiometric titration technique; essentially, it defines a standardized procedure to measure the amount of substances in petroleum products that can be saponified (react with a base) through a specific chemical reaction