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  • ASTM D4870 Test Method for Determination of Total Sediment in Residual Fuels ASTM D4870 Test Method for Determination of Total Sediment in Residual Fuels6. Apparatus6.1 Filtration Apparatus, constructed of brass, with copper steam coils attached, suitably supported above a vacuum flask appropriately protected against the effects of implosion. See Figs. 1 and 2.6.2 Temperature ...
  • ASTM D4870 Test Method for Determination of Total Sediment in Residual Fuels ASTM D4870 Test Method for Determination of Total Sediment in Residual Fuels4. Summary of Test Method4.1 A weighed quantity (10 g) of the oil sample is filtered through the prescribed apparatus at 100°C. After solvent washing and drying the total sediment on the filter medium is weighed. The test is ...
  • ASTM D4870 Test Method for Determination of Total Sediment in Residual Fuels ASTM D4870 Test Method for Determination of Total Sediment in Residual Fuels1. Scope1.1 This test method covers the determination of total sediment up to 0.40 % m/m for distillate fuel oils containing residual components and to 0.50 % m/m in residual fuel oils having a maximum viscosity of 55 cSt (mm2/s) ...
  • ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine FuelsASTM D1840 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry13. Report13.1 Numerical values of volume percent naphthalene are reported to the nearest 0.01 %.14. Reference ...
  • ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine FuelsASTM D1840 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry12. Calculations12.1 Calculate the mass percentage of naphthalenes in the sample as follows:Naphthalenes, ...
  • ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine FuelsASTM D1840 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry11. Procedure B - Alternative 100-mL Dilution11.1 Discussion - The incorporation of the single dilution procedure ...
  • ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine FuelsASTM D1840 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry10. Procedure A - Serial DilutionNOTE 4 - The user may use alternative Procedure B if preferred.10.1 For ...
  • ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine FuelsASTM D1840 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry9. Calibration and Standardization9.1 Instead of direct calibration of the spectrophotometer with known naphthalenes, ...
  • ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine FuelsASTM D1840 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry7. Apparatus7.1 Spectrophotometer, equipped to measure the absorbance of solutions in the spectral region ...
  • ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels ASTM D1840 Test Method for Naphthalene Hydrocarbons in Aviation Turbine FuelsASTM D1840 Standard Test Method for Naphthalene Hydrocarbons in Aviation Turbine Fuels by Ultraviolet Spectrophotometry4. Summary of Test Method4.1 The total concentration of naphthalenes in jet fuels is determined by measurement ...