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  • ASTM D6468 Test Method for High Temperature Stability of Distillate Fuels ASTM D6468 Test Method for High Temperature Stability of Distillate Fuels11. Procedure11.1 Adjust the heating bath to a temperature of 150 +/- 1.5°C (see 6.3).11.2 Assemble the filter apparatus with a new filter paper. Filter at least 100 mL of the fuel sample through the paper. Use the inline vacuum ...
  • ASTM D6468 Test Method for High Temperature Stability of Distillate Fuels ASTM D6468 Test Method for High Temperature Stability of Distillate Fuels8. Sampling8.1 When samples of a fuel batch are obtained to determine stability, obtain samples in accordance with Practice D4057. Use only epoxy-lined cans or borosilicate glass bottles. Shield clear glass bottles from sunlight ...
  • ASTM D6468 Test Method for High Temperature Stability of Distillate Fuels ASTM D6468 Test Method for High Temperature Stability of Distillate Fuels6. Apparatus6.1 Aging Tubes, 25 x 200 mm, heavy wall test tubes made of borosilicate glass.6.2 Heating Bath, with liquid heating medium, thermostatically controlled to maintain the sample in the aging tube within 1.5°C of 150°C. ...
  • ASTM D6468 Test Method for High Temperature Stability of Distillate Fuels ASTM D6468 Test Method for High Temperature Stability of Distillate Fuels4. Summary of Test Method4.1 Two 50-mL volumes of filtered middle distillate fuel are aged for 90 or 180 min at 150°C in open tubes with air exposure. After aging and cooling, the fuel samples are filtered and the average amount ...
  • ASTM D6468 Test Method for High Temperature Stability of Distillate Fuels ASTM D6468 Test Method for High Temperature Stability of Distillate Fuels1. Scope1.1 This test method covers relative stability of middle distillate fuels under high temperature aging conditions with limited air exposure. This test method is suitable for all No. 1 and No. 2 grades in Specifications D396, ...
  • ASTM D6791 Test Method for Determination of Grain Stability of Calcined Petroleu ASTM D6791 Test Method for Determination of Grain Stability of Calcined Petroleum Coke11. Report11.1 Report the average of the two vessels to the nearest whole percent.12. Precision and Bias12.1 The precision of this test method as determined by the statistical examination of interlaboratory test results ...
  • ASTM D6791 Test Method for Determination of Grain Stability of Calcined Petroleu ASTM D6791 Test Method for Determination of Grain Stability of Calcined Petroleum Coke9. Procedure9.1 Carefully place 1 kg of the steel balls and 100 g +/- 0.5 g of the 4 mm to 8 mm fraction of the sieved test sample in each grinding vessel and close the lid. Record the weight to the nearest 0.1 g. Attach ...
  • ASTM D6791 Test Method for Determination of Grain Stability of Calcined Petroleu ASTM D6791 Test Method for Determination of Grain Stability of Calcined Petroleum Coke7. Apparatus7.1 Analytical Balance, accurate to +/- 0.1 g.7.2 Rifflers, with hoppers and closures.7.3 Wire Sieves, 8 mm (5/16 in.) and 4 mm (5 mesh), meeting Specification E11.7.4 Laboratory Vibration Mill, having two ...
  • ASTM D6791 Test Method for Determination of Grain Stability of Calcined Petroleu ASTM D6791 Test Method for Determination of Grain Stability of Calcined Petroleum Coke4. Summary of Test Method4.1 A representative sample of calcined petroleum coke is dried and screened to a 4 mm to 8 mm fraction. The resultant sample is weighed so that two separate portions of 100.0 g +/- 0.5 g mass ...
  • ASTM D6791 Test Method for Determination of Grain Stability of Calcined Petroleu ASTM D6791 Test Method for Determination of Grain Stability of Calcined Petroleum Coke1. Scope1.1 This test method covers a laboratory vibration mill method for the determination of the grain stability of calcined petroleum coke for the manufacture of carbon products used in the smelting of aluminum. ...