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  • ASTM D613 standard test method for cetane number of diesel fuel oil ASTM D613 standard test method for cetane number of diesel fuel oil14. Report14.1 Report the calculated result as cetane number.14.2 If the sample was filtered before testing, include this information in the report.15. Precision and Bias15.1 Handwheel Bracketing Procedure Precision - The precision of ...
  • ASTM D613 standard test method for cetane number of diesel fuel oil ASTM D613 standard test method for cetane number of diesel fuel oil12. Procedure12.1 Bracketing by Handwheel Procedure - See Appendix X2 for the details of engine operation and the adjustment of each of the individual operating variables.12.1.1 Check that all engine operating conditions are in compliance ...
  • ASTM D613 standard test method for cetane number of diesel fuel oil ASTM D613 standard test method for cetane number of diesel fuel oil11. Calibration and Engine Qualification11.1 Engine Compliance - It is assumed that the engine has been commissioned and that all settings and operating variables are at equilibrium and in compliance with basic engine and instrument settings ...
  • ASTM D613 standard test method for cetane number of diesel fuel oil ASTM D613 standard test method for cetane number of diesel fuel oil10. Basic Engine and Instrument Settings and Standard Operating Conditions10.1 Installation of Engine Equipment and Instrumentation - Installation of the engine and instrumentation requires placement of the engine on a suitable foundation ...
  • ASTM D613 standard test method for cetane number of diesel fuel oil ASTM D613 standard test method for cetane number of diesel fuel oil7. Apparatus7.1 Engine Equipment - This test method uses a single cylinder engine which consists of a standard crankcase with fuel pump assembly, a cylinder with separate head assembly of the precombustion type, thermal syphon recirculating ...
  • ASTM D613 standard test method for cetane number of diesel fuel oil ASTM D613 standard test method for cetane number of diesel fuel oil4. Summary of Test Method4.1 The cetane number of a diesel fuel oil is determined by comparing its combustion characteristics in a test engine with those for blends of reference fuels of known cetane number under standard operating conditions. ...
  • ASTM D613 standard test method for cetane number of diesel fuel oil ASTM D613 standard test method for cetane number of diesel fuel oil1. Scope1.1 This test method determines the rating of diesel fuel oil in terms of an arbitrary scale of cetane numbers using a standard single cylinder, four-stroke cycle, variable compression ratio, indirect injected diesel engine.1.2 ...
  • ASTM D874 method for sulfated ash from lubricating oils and additives ASTM D874 method for sulfated ash from lubricating oils and additives11. Report11.1 Report the result to the nearest 0.001 mass % for samples below 0.02 mass % and to the nearest 0.01 mass % for higher levels as the sulfated ash, Test Method D874.12. Quality Control12.1 Confirm the performance of the ...
  • ASTM D874 method for sulfated ash from lubricating oils and additives ASTM D874 method for sulfated ash from lubricating oils and additives9. Procedure9.1 Select the size of the evaporating dish or crucible according to the quantity of sample necessary (see 9.3).9.2 Heat the evaporating dish or crucible that is used for the test at 775 more or less 25°C for a minimum ...
  • ASTM D874 method for sulfated ash from lubricating oils and additives ASTM D874 method for sulfated ash from lubricating oils and additives6. Apparatus6.1 Evaporating Dish or Crucible; 50 to 100-mL for samples containing more than 0.02 mass % sulfated ash, or 120 to 150-mL for samples containing less than 0.02 mass % sulfated ash, and made of porcelain, fused silica, ...