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ASTM D7157 Standard Test Method for Determination of Intrinsic Stability of Asph
ASTM D7157 Standard Test Method for Determination of Intrinsic Stability of Asphaltene-Containing Residues, Heavy Fuel Oils, and Crude Oils (n-Heptane Phase Separation; Optical Detection)1. Scope1.1 This test method covers a procedure for quantifying the intrinsic stability of the asphaltenes in an oil ...
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ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Sta
ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Stability by Oxygen Overpressure12. Report12.1 Report the total insolubles to the nearest 0.1 mg/100 mL for each sample replicate.13. Precision and Bias13.1 Precision - The precision of this test method, as determined by the ...
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ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Sta
ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Stability by Oxygen Overpressure10. Procedure10.1 Place two unweighed nylon membrane filters in a filter funnel. Prefilter, under vacuum (see 6.5), 220 mL of fuel to be tested. Transfer 100 mL of the filtered fuel to each of ...
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ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Sta
ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Stability by Oxygen Overpressure8. Sampling8.1 Field Sampling - Field sampling should be in accordance with Practices D4057 or D4177. Bulk fuel to be sampled must be above its cloud point and thoroughly mixed prior to aliquot ...
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ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Sta
ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Stability by Oxygen Overpressure6. Apparatus6.1 Sample or Blank Container, a brown borosilicate glass bottle capable of holding 100 mL of sample but with total volume less than 200 mL, or a Test Method D525 glass insert. A top ...
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ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Sta
ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Stability by Oxygen Overpressure4. Summary of Test Method4.1 A 100 mL aliquot of filtered fuel is placed in a borosilicate glass container. The container is placed in a pressure vessel which has been preheated to 90 °C. The ...
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ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Sta
ASTM D5304 Standard Test Method for Assessing Middle Distillate Fuel Storage Stability by Oxygen Overpressure1. Scope1.1 This test method covers a procedure for assessing the potential storage stability of middle distillate fuels such as Grade No. 1D and Grade No. 2D diesel fuels, in accordance with ...
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ASTM D3104 Standard Test Method for Softening Point of Pitches (Mettler Softenin
ASTM D3104 Standard Test Method for Softening Point of Pitches (Mettler Softening Point Method)10. Report10.1 Report the softening point, as indicated by the digital readout, to the nearest 0.1 °C. If converting to degrees Fahrenheit, report to the nearest 0.2 °F. Experience indicates that duplicate ...
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ASTM D3104 Standard Test Method for Softening Point of Pitches (Mettler Softenin
ASTM D3104 Standard Test Method for Softening Point of Pitches (Mettler Softening Point Method)9. Procedure9.1 The procedure described in this test method for measuring the softening point of pitches using either METTLER TOLEDO instrument has been developed to duplicate the results obtained by Test Method ...
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ASTM D3104 Standard Test Method for Softening Point of Pitches (Mettler Softenin
ASTM D3104 Standard Test Method for Softening Point of Pitches (Mettler Softening Point Method)7. Calibration of the METTLER TOLEDO Apparatus7.1 This step, required only occasionally, is designed to establish that the temperature indicated by the instrument is in agreement with a known standard. A special ...
