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  • ASTM D4893 Standard Test Method for Determination of Pitch Volatility ASTM D4893 Standard Test Method for Determination of Pitch Volatility4. Apparatus4.1 Aluminum Block, 4 1/2-in. outside diameter, composed of two sections (Figs. 1-4).4.1.1 The top block is maintained at a chosen constant temperature according to the signal from the thermocouple inserted into the thermowell ...
  • ASTM D4893 Standard Test Method for Determination of Pitch Volatility ASTM D4893 Standard Test Method for Determination of Pitch Volatility1. Scope1.1 This test method covers the determination of the percent of pitch volatility.1.2 Since this test method is empirical, strict adherence of the procedure is necessary.1.3 This standard does not purport to address all of the ...
  • ASTM D4421 Standard Test Method for Volatile Matter in Petroleum Coke ASTM D4421 Standard Test Method for Volatile Matter in Petroleum Coke11. Calculations11.1 Calculate the volatile matter of the moisture free prepared coke as follows:Volatile matter, mass % = (A/B) x 100where:A = mass loss of the sample, g, andB = mass of sample, g.12. Precision and Bias12.1 The precision ...
  • ASTM D4421 Standard Test Method for Volatile Matter in Petroleum Coke ASTM D4421 Standard Test Method for Volatile Matter in Petroleum Coke10. Procedure10.1 Ignite a platinum crucible and cover at 950°C for 5-min periods to constant mass (+/- 0.5 mg). A burner or any furnace is to be used but the crucible can be set in a nichrome wire support regardless of the style of ...
  • ASTM D4421 Standard Test Method for Volatile Matter in Petroleum Coke ASTM D4421 Standard Test Method for Volatile Matter in Petroleum Coke7. Apparatus7.1 Furnace, Fieldner, electric, ASTM, calibrated (Test Method E 220) and regulated to maintain a temperature of 950°C (1742°F) +/- 15°C as measured by a thermocouple mounted inside the furnace.7.2 Nickel Chromium Crucible ...
  • ASTM D4421 Standard Test Method for Volatile Matter in Petroleum Coke ASTM D4421 Standard Test Method for Volatile Matter in Petroleum Coke4. Summary of Test Method4.1 Volatile matter of a moisture free petroleum coke is determined by measuring the mass loss of the coke when heated under the exact conditions of this procedure.5. Significance and Use5.1 The volatile matter ...
  • ASTM D4421 Standard Test Method for Volatile Matter in Petroleum Coke ASTM D4421 Standard Test Method for Volatile Matter in Petroleum Coke1. Scope1.1 This test method determines the volatile matter produced by pyrolysis or evolved when petroleum coke, or both, is subjected to the specific conditions of the test. Samples having a thermal history above 600°C are excluded.1.2 ...
  • ASTM D7110 Standard Test Method for Determining the Viscosity-Temperature Relati ASTM D7110 Standard Test Method for Determining the Viscosity-Temperature Relationship of Used and Soot-Containing Engine Oils at Low Temperatures14. Report14.1 Report the temperature associated with each of the following viscosities: 5000; 15 000; 25 000; 40 000; and 60 000 mPa·s (cP).14.2 Report the ...
  • ASTM D7110 Standard Test Method for Determining the Viscosity-Temperature Relati ASTM D7110 Standard Test Method for Determining the Viscosity-Temperature Relationship of Used and Soot-Containing Engine Oils at Low Temperatures13. Procedure for Testing Samples13.1 Computer Method:13.1.1 Use manufacturer's cooling program and instructions for its use for testing unknown oils on programmable ...
  • ASTM D7110 Standard Test Method for Determining the Viscosity-Temperature Relati ASTM D7110 Standard Test Method for Determining the Viscosity-Temperature Relationship of Used and Soot-Containing Engine Oils at Low Temperatures8. Sampling8.1 Approximately a 20 mL sample of test oil is necessary for the test. The sample must be thoroughly shaken so that the sample is homogeneous (see ...