Standard Active Last Updated: Dec 14, 2022 Track Document
ASTM D4006-22

Standard Test Method for Water in Crude Oil by Distillation

Standard Test Method for Water in Crude Oil by Distillation D4006-22 ASTM|D4006-22|en-US Standard Test Method for Water in Crude Oil by Distillation Standard new BOS Vol. 05.01 Committee D02
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Significance and Use

5.1 A knowledge of the water content of crude oil is important in the refining, purchase, sale, or transfer of crude oils.

5.2 This test method may not be suitable for crude oils that contain alcohols that are soluble in water. In cases where the impact on the results may be significant, the user is advised to consider using another test method, such as Test Method D4928 (API MPMS Chapter 10.9).


1.1 This test method covers the determination of water in crude oil by distillation.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific warning statements, see 7.1 and A1.1.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Book of Standards Volume: 05.01
Developed by Subcommittee: D02.02
Pages: 11
DOI: 10.1520/D4006-22
ICS Code: 75.040