Standard Test Methods for Water in Crude Oils by Coulometric Karl Fischer Titration
|Publication Date:||10 December 1996|
|ICS Code (Crude petroleum):||75.040|
1.1 This test method covers the determination of water in the range from 0.02 to 5 mass % in crude oils. Mercaptan (RSH) and sulfide (S= and H2S) sulfur are known to interfere with this test method (see Section 5).
1.2 This test method can be used to determine water in the 0.005 to 0.02 mass % range, but the effects of the mercaptan and sulfide interference at these levels has not been determined.
1.3 This test method is intended for use with standard commercially available coulometric Karl Fischer reagent.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Note 1, Note 2, and Note 3.