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  • HYDROGEN CONTENT OF FUELS HYDROGEN CONTENT OF FUELSGENERALHydrogen content of petroleum products represents a fundamental quality parameter that has been correlated with many of the performance characteristics of that product. Many times hydrogen content is required to correct gross heat of combustion to net heat of combustion ...
  • HYDROCARBON TYPES BY MULTIDIMENSIONAL GC: D5443 HYDROCARBON TYPES BY MULTIDIMENSIONAL GC: D5443EXPLANATIONThis test method is applicable to hydrocarbon mixtures including virgin, catalytically or thermally converted, alkylated, and blended napthas. The method provides for the determination of paraffins, napthenes, and aromatics by carbon number in ...
  • HYDROCARBON TYPES IN GASOLINE BY MASS SPECTROMETRY: D2789 HYDROCARBON TYPES IN GASOLINE BY MASS SPECTROMETRY: D2789EXPLANATIONThis test method covers the determination by mass spectrometry of total paraffins, monocycloparaffins, dicycloparaffins, alkylbenzenes, indans, or tetralins, or both, and napthalenes in gasoline having an olefin content of less than ...
  • HYDROCARBON TYPES BY MASS SPECTROMETRY: D2425 HYDROCARBON TYPES BY MASS SPECTROMETRY: D2425EXPLANATIONThis test method covers an analytical scheme using the mass spectrometer to determine the hydrocarbon types present in virgin middle distillates in the boiling range 204 to 343° C (400 to 650° F), 5 to 95 volume % as determined by Test Method ...
  • AROMATIC HYDROCARBON TYPES IN MIDDLE DISTILLATES BY HPLC WITH RI DETECTION: D659 AROMATIC HYDROCARBON TYPES IN MIDDLE DISTILLATES BY HPLC WITH RI DETECTION: D6591Equivalent Test Methods: IP 391EXPLANATIONThe aromatic hydrocarbon content of motor diesel fuel is a factor that can affect exhaust emissions and fuel combustion characteristics, as measured by cetane number. Both U.S. EPA ...
  • HYDROCARBON TYPES AROMATIC HYDROCARBON TYPES IN AVIATION FUELS AND PETROLEUM DIS HYDROCARBON TYPES AROMATIC HYDROCARBON TYPES IN AVIATION FUELS AND PETROLEUM DISTILLATES: D6379(Equivalent Test Method: IP 436)EXPLANATIONAccurate quantitative information on aromatic hydrocarbon types can be useful in determining the effects of petroleum processes on production of various finished fuels, ...
  • HYDROCARBON TYPES AROMATICS TYPES BY MASS SPECTROMETRY: D3239 HYDROCARBON TYPES AROMATICS TYPES BY MASS SPECTROMETRY: D3239EXPLANATIONThis test method covers the determination by high ionizing voltage, low resolution mass spectrometry of 18 aromatic hydrocarbon types and three aromatic thiophenotypes in straight run aromatic petroleum fractions boiling within the ...
  • HYDROCARBON TYPES BY MASS SPECTROMETRY: D2786 HYDROCARBON TYPES BY MASS SPECTROMETRY: D2786EXPLANATIONThis test method covers the determination of seven saturated hydrocarbon types and one aromatic type using high ionizing voltage mass spectrometry. It covers the analysis of saturate petroleum fractions with average carbon numbers of 16 through ...
  • HYDROCARBON TYPES IN ENGINE FUELS BY GAS CHROMATOGRAPHY: D6839 HYDROCARBON TYPES IN ENGINE FUELS BY GAS CHROMATOGRAPHY: D6839EXPLANATIONA knowledge of spark ignition engine fuel composition is needed for regulatory compliance, process control, and quality assurance. A quantitative determination of olefins and other hydrocarbon types in such fuels is required to ...
  • HYDROCARBON TYPES IN ETHYLENE BY GAS CHROMATOGRAPHY: D2505 HYDROCARBON TYPES IN ETHYLENE BY GAS CHROMATOGRAPHY: D2505EXPLANATIONHigh purity ethylene is required as a feedstock for some manufacturing processes, and the presence of trace amounts of carbon dioxide and some hydrocarbons can have a deleterious effect. This test method can be used for setting specifications ...