ASTM-D7261 › Standard Test Method for Determining Water Separation Characteristics of Diesel Fuels by Portable Separometer
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1.1 This test method covers a rapid portable means for field and laboratory use to rate the ability of diesel fuels (both neat and those containing additives) to release entrained or emulsified water when passed through fiberglass coalescing material.
1.2 This test method is applicable to diesel fuels such as Specification Grade No. 1-D and Grade No. 2-D of all sulfur levels, Specification biodiesel blends B6-B20, and MIL-DTL-16884, naval distillate fuel (NATO F-76).
Note 1: This test method is similar to Test Method which is applicable to aviation turbine fuels.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
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.
coalescence; diesel fuel; diesel fuel coalescer; DSEP rating; surfactant; water separation;; ICS Number Code 75.160.20 (Liquid fuels)
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Dec. 1, 2017