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ASTM D2068 Test Method for Filter Plugging Tendency of Distillate Fuel Oils
ASTM D2068 Test Method for Filter Plugging Tendency of Distillate Fuel Oils4. Summary of Test Method4.1 A sample of the fuel to be tested is passed at a constant rate of flow (20 mL/min) through a glass fiber filter medium. The pressure drop across the filter is monitored during the passage of a fixed ...
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ASTM D2068 Test Method for Filter Plugging Tendency of Distillate Fuel Oils
ASTM D2068 Test Method for Filter Plugging Tendency of Distillate Fuel Oils1. Scope1.1 This test method describes a procedure for determining the filter plugging tendency (FPT) of distillate fuel oils where the end use demands an exceptional degree of cleanliness. This test method is applicable to fuels ...
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ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas
ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas9. Precision and Bias9.1 The following criteria should be used for judging the acceptability of results (95 % confidence) (Note 4):9.1.1 Repeatability - The difference between two test results, obtained by the same operator with the same ...
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ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas
ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas7. Procedure7.1 Lubricate the joint at the bottom of the column with a hydrocarbon-insoluble grease, such as silicone, starch-glycerol, or metallic soap. Place the heating mantle around the flask. With a 50-mL graduated cylinder, measure ...
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ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas
ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas6. Preparation of Apparatus6.1 Fill the fractionating column with packing as follows: Place about 25 mm (1 in.) of the Heli-Pak column packing, size C or the Cannon packing on the indentations at the bottom of the column. This packing ...
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ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas
ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas5. Apparatus5.1 Depentanization Apparatus, as shown in Fig. 1, consisting of the following parts:5.1.1 Distillation Column,5.1.2 Reflux Condenser Head,5.1.3 Light-Ends Trap,5.1.4 Receiver, graduated, 12.5 mL, and5.1.5 Thermometer, 10 ...
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ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas
ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas3. Summary of Test Method3.1 A 50-mL sample is distilled into an overhead (C5 and lighter) fraction and a bottoms (C6 and heavier) fraction. The volume of bottoms is measured and the volume percent, based on the charge, is calculated.4. ...
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ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas
ASTM D2001 Test Method for Depentanization of Gasoline and Naphthas1. Scope1.1 This test method covers the removal of pentanes and lighter hydrocarbons from gasolines, naphthas, and similar petroleum distillates to prepare samples suitable for the determination of hydrocarbon types in accordance with ...
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ASTM D2422 Standard Classification of Industrial Fluid Lubricants by Viscosity S
ASTM D2422 Standard Classification of Industrial Fluid Lubricants by Viscosity System5. Adoption of System5.1 Adoption of this viscosity system is to be voluntary on the part of all persons or organizations. The system will be effective only if used widely by designers, producers, and consumers. There ...
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ASTM D2422 Standard Classification of Industrial Fluid Lubricants by Viscosity S
ASTM D2422 Standard Classification of Industrial Fluid Lubricants by Viscosity System4. Basis of Classification4.1 Twenty viscosity grades are given in Table 1.4.2 Each grade shall be designated by its nominal viscosity at 40°C.4.3 The permissible variance in viscosity of each grade shall be as shown ...
