API MPMS CH 10.9:2026
Current
The latest, up-to-date edition.
Standard Test Method for Water in Crude Oils by Coulometric Karl Fischer Titration
English
11-09-2026
This test method covers the determination of water with true concentration range from 0.07 % to 9.5 % by mass and 0.02 % to 5.00 % by volume in crude oils using Procedures A and B, respectively, and from 0.04 % to 3.75 % by mass or volume for Procedure C. 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(m)], the interference from these compounds is insignificant (see Section 6).
| DocumentType |
Test Method
|
| Pages |
20
|
| PublisherName |
American Petroleum Institute
|
| Status |
Current
|
| Supersedes |
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