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Standard Test Method for Water Separation Properties of Light and Middle Distillate, and Compression and Spark Ignition Fuels (Includes all amendments And changes 5/5/2016).
Automatische name übersetzung:
Standard Test Method for Water Separation Eigenschaften des Lichts und der Mittel-Destillat und Kompression und Otto Fuels
NORM herausgegeben am 1.5.2013
Bezeichnung normen: ASTM D7451-08a(2013)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.5.2013
SKU: NS-38485
Zahl der Seiten: 4
Gewicht ca.: 12 g (0.03 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
compression ignition fuel, demulsibility, diesel fuel, emulsion forming, fuel contaminants, fuel water interface, gasoline, light distillate fuel, middle distillate fuel, non-aviation fuel, spark ignition fuel, surfactants, water separation, water-soluble additives, ICS Number Code 75.160.20 (Liquid fuels)
Significance and Use | ||||||||||||||||||||||||||||
5.1 The primary use of this test method is to evaluate new additive packages in specific fuels to ensure that fuel-water separability will not be compromised by the use of the additive package, either at their normal treat rates or at several times the intended treat rate to evaluate the impact of potential overtreatment. 5.1.1 Water Volume Changes—Using this technique reveal the presence of water-soluble components, such as alcohols, in the fuel. 5.1.2 Interface Condition Ratings—Using this technique reveal the presence of partially soluble components, such as surfactants, in the fuel. 5.2 Additives or contaminants that affect the interface could harm water separation properties of fuels in equipment and quickly inhibit the free flow of fuel through filters and injection equipment, causing a decrease in combustion performance. |
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1. Scope | ||||||||||||||||||||||||||||
1.1 This test method covers the evaluation of the tendency of water and fuels with a final boiling point of less than 390°C, as measured in Test Method D86, to separate cleanly rather than create emulsions when they may contain potential emulsion forming additives or components, or have been additized with potential emulsion forming additives, or components. 1.2 This test method applies primarily to gasoline, diesel, kerosine, and distillate grades of gas turbine, marine, home heating oils and furnace fuels (see Specifications D396, D975, D2880, D3699, D4814, and D6985). For fuel components such as biodiesel or alcohol, refer to X1.2 and X1.3. 1.3 This test method is not meant to certify or qualify fuels for sale, but it is intended for use by additive suppliers to determine the need for demulsifier components in their additive packages. 1.4 This test method is not meant for testing of fuels containing large amounts of aqueous soluble components, such as E85, or for testing of water emulsified fuels, or for testing of aviation fuels. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 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. |
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2. Referenced Documents | ||||||||||||||||||||||||||||
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Historisch
1.5.2014
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15.6.2013
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1.6.2012
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1.11.2005
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1.5.2014
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1.5.2011
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