Home > Classroom

  • ASTM D1465 Standard Test Method for Blocking and Picking Points of Petroleum Wax ASTM D1465 Standard Test Method for Blocking and Picking Points of Petroleum Wax9. Standardization of Apparatus9.1 Turn the blocking plate on with all sponge rubber strips and metal blocks in position. Allow sufficient time (3 h minimum) for the plate to reach an equilibrium temperature condition.9.2 ...
  • ASTM D1465 Standard Test Method for Blocking and Picking Points of Petroleum Wax ASTM D1465 Standard Test Method for Blocking and Picking Points of Petroleum Wax6. Apparatus6.1 Wax Coating Device - Any manual- or machine-driven waxer that gives uniform coatings of the desired weights to a strip of paper not less than 51 mm (2 in.) wide.6.2 Trimming Board, or other device for cutting ...
  • ASTM D1465 Standard Test Method for Blocking and Picking Points of Petroleum Wax ASTM D1465 Standard Test Method for Blocking and Picking Points of Petroleum Wax4. Summary of Test Method4.1 Paper test specimens are coated with the wax sample, folded with the waxed surfaces together, and placed on a blocking plate. The plate is heated at one end and cooled at the other end to impose ...
  • ASTM D1465 Standard Test Method for Blocking and Picking Points of Petroleum Wax ASTM D1465 Standard Test Method for Blocking and Picking Points of Petroleum Wax1. Scope1.1 This test method covers the determination of the blocking point and picking point of petroleum wax.1.2 WARNING - Mercury has been designated by many regulatory agencies as a hazardous material that can cause central ...
  • ASTM D4422 Standard Test Method for Ash in Analysis of Petroleum Coke ASTM D4422 Standard Test Method for Ash in Analysis of Petroleum Coke11. Report11.1 Report the ash content mass percent to the third decimal (thousandth of a percent) when the average of replicate values permits.11.2 Report the ash content mass percent to the second decimal (hundredth of a percent) when ...
  • ASTM D4422 Standard Test Method for Ash in Analysis of Petroleum Coke ASTM D4422 Standard Test Method for Ash in Analysis of Petroleum Coke9. Procedure9.1 Ignite a coded crucible to constant weight at 750°C. Record the mass to 0.1 mg.9.2 Weigh a 10 g portion of the dried analysis sample into the coded crucible. Record the mass to 0.1 mg.9.3 Place the crucible into a cold ...
  • ASTM D4422 Standard Test Method for Ash in Analysis of Petroleum Coke ASTM D4422 Standard Test Method for Ash in Analysis of Petroleum Coke6. Apparatus6.1 Crucibles, low wide form glazed porcelain or platinum, 30-mL capacity.6.2 Muffle Furnace, with temperature control between 700 and 750°C and equipped with a means to regulate air circulation.6.3 Analytical Balance capable ...
  • ASTM D4422 Standard Test Method for Ash in Analysis of Petroleum Coke ASTM D4422 Standard Test Method for Ash in Analysis of Petroleum Coke3. Summary of Test Method3.1 A representative sample of petroleum coke is dried, ground, and ashed in a muffle furnace at 700 to 750°C. The residue or ash is expressed as a percentage of the dry petroleum coke.4. Significance and Use4.1 ...
  • ASTM D4422 Standard Test Method for Ash in Analysis of Petroleum Coke ASTM D4422 Standard Test Method for Ash in Analysis of Petroleum Coke1. Scope1.1 This test method covers the determination of the ash content of petroleum coke.1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.3 This standard ...
  • ASTM D2415 Standard Test Method for Ash in Coal Tar and Pitch ASTM D2415 Standard Test Method for Ash in Coal Tar and Pitch11. Report11.1 Report the weight percent of ash to the nearest 0.01 %.12. Precision and Bias12.1 The following criteria shall be used for judging the acceptability of results (95 % probability):12.1.1 Repeatability - Duplicate values by the ...