ASTM D4928
Standard Test Method for Water in Crude Oils by Coulometric Karl Fischer Titration
ASTM D6304
Standard Test Method for Determination of Water in Petroleum Products, Lubricating Oils, and Additives by Coulometric Karl Fischer Titration
Standard Test Method for Water in Crude Oils by Coulometric Karl Fischer Titration
Standard Test Method for Determination of Water in Petroleum Products, Lubricating Oils, and Additives by Coulometric Karl Fischer Titration