ASTM D4381/D4381M-22 PDF

1.1 This test method covers the determination of the sand content of bentonitic slurries used in slurry construction techniques. This test method has been modified from API Recommended Practice 13B. 1.2 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026. 1.3 Units-The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. Except, the sieve designation is identified using the "alternative" system in accordance with Practice E11 instead of the "standard system," such that the sieve used is referred to as a No. 200 sieve, instead of a 75 µm sieve. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 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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Published :	10/01/2022