Historical
ASTM D4928-00e1
Standard Test Methods for Water in Crude Oils by Coulometric Karl Fischer Titration
This test method covers the determination of water in the range from 0.02 to 5 mass or volume % in crude oils. Mercaptan (RSH) and sulfide (S- or H2S) as sulfur are known to interfere with this test method, but at levels of less than 500 μg/g (ppm),
ASTM International [astm]