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  • 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 ...
  • ASTM D2415 Standard Test Method for Ash in Coal Tar and Pitch ASTM D2415 Standard Test Method for Ash in Coal Tar and Pitch9. Procedure9.1 Ignite a clean dish or crucible for 1 h in the muffle furnace at 900 °C +/- 10 °C. Cool slowly to about 100 °C, then place the dish or crucible in a desiccator. When at room temperature, weigh to the nearest 0.1 mg.9.2 Transfer ...
  • ASTM D2415 Standard Test Method for Ash in Coal Tar and Pitch ASTM D2415 Standard Test Method for Ash in Coal Tar and Pitch5. Apparatus5.1 Muffle Furnace - A muffle furnace with good air circulation and capable of having its temperature regulated at 900 °C +/- 10 °C.5.2 Dish or Crucible, porcelain, silica, or platinum, having a capacity of 35 mL to 45 mL and ...
  • ASTM D2415 Standard Test Method for Ash in Coal Tar and Pitch ASTM D2415 Standard Test Method for Ash in Coal Tar and Pitch3. Summary of Test Method3.1 The sample is carefully volatilized and burned in a muffle furnace or by other suitable means, after which the carbonaceous residue is completely oxidized and the remaining ash stabilized at 900 °C in the muffle ...
  • ASTM D2415 Standard Test Method for Ash in Coal Tar and Pitch ASTM D2415 Standard Test Method for Ash in Coal Tar and Pitch1. Scope1.1 This test method covers the determination of the ash content of tar and pitch.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 does not ...
  • ASTM D2163 Standard Test Method for Determination of Hydrocarbons in Liquefied P ASTM D2163 Standard Test Method for Determination of Hydrocarbons in Liquefied Petroleum (LP) Gases and Propane/Propene Mixtures by Gas Chromatography12. Report12.1 Report the concentration of each component as liquid volume percent (vol%) to the nearest 0.01%.12.2 Individually eluted C5 olefins and ...
  • ASTM D2163 Standard Test Method for Determination of Hydrocarbons in Liquefied P ASTM D2163 Standard Test Method for Determination of Hydrocarbons in Liquefied Petroleum (LP) Gases and Propane/Propene Mixtures by Gas Chromatography10. Procedure10.1 Sampling - Sampling at the sample source and at the chromatograph shall always be done in a manner that ensures that a representative ...
  • ASTM D2163 Standard Test Method for Determination of Hydrocarbons in Liquefied P ASTM D2163 Standard Test Method for Determination of Hydrocarbons in Liquefied Petroleum (LP) Gases and Propane/Propene Mixtures by Gas Chromatography8. Preparation of Apparatus8.1 Set up the instrumentation in accordance with the manufacturer's instructions or as specified herein.8.2 Install and condition ...