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  • HYDROCARBON TYPES BY MASS SPECTROMETRY: ASTM D2425 HYDROCARBON TYPES BY MASS SPECTROMETRY: ASTM 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: ASTM AROMATIC HYDROCARBON TYPES IN MIDDLE DISTILLATES BY HPLC WITH RI DETECTION: ASTM D6591(Equivalent Test Methods: IP 391)EXPLANATIONThe 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 ...
  • HYDROCARBON TYPES AROMATIC HYDROCARBON TYPES IN AVIATION FUELS AND PETROLEUM DIS HYDROCARBON TYPES AROMATIC HYDROCARBON TYPES IN AVIATION FUELS AND PETROLEUM DISTILLATES: ASTM 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 ...
  • HYDROCARBON TYPES AROMATICS TYPES BY MASS SPECTROMETRY: ASTM D3239 HYDROCARBON TYPES AROMATICS TYPES BY MASS SPECTROMETRY: ASTM 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 ...
  • HYDROCARBON TYPES BY MASS SPECTROMETRY: ASTM D2786 HYDROCARBON TYPES BY MASS SPECTROMETRY: ASTM 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: ASTM D6839 HYDROCARBON TYPES IN ENGINE FUELS BY GAS CHROMATOGRAPHY: ASTM 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 ...
  • HYDROCARBON TYPES IN ETHYLENE BY GAS CHROMATOGRAPHY: ASTM D2505 HYDROCARBON TYPES IN ETHYLENE BY GAS CHROMATOGRAPHY: ASTM 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 ...
  • HYDROCARBON TYPES IN GASOLINE BY GAS CHROMATOGRAPHY: ASTM D2427 HYDROCARBON TYPES IN GASOLINE BY GAS CHROMATOGRAPHY: ASTM D2427EXPLANATIONThis test method provides information on C2 through C5 carbon paraffins and mono-olefins in gasolines. It does not determine cyclic olefins, diolefins, or acetylenes. These are usually minor components in finished gasolines. The ...
  • HYDROCARBON TYPES BY FLUORESCENT INDICATOR ADSORPTION: ASTM D1319 HYDROCARBON TYPES BY FLUORESCENT INDICATOR ADSORPTION: ASTM D1319(Equivalent Test Methods: IP 156, ISO 3837, DIN 51791, JIS K 2536, and AFNOR M07-024)EXPLANATIONThis test method is intended for use with full boiling range products. It determines hydrocarbon types in the range of 5 to 99 volume % aromatics, ...
  • HYDROCARBON TYPES AROMATICS AND NONAROMATICS FRACTIONS OF HIGH BOILING OILS BY E HYDROCARBON TYPES AROMATICS AND NONAROMATICS FRACTIONS OF HIGH BOILING OILS BY EMULSION CHROMATOGRAPHY: ASTM D2549EXPLANATIONThe determination of compound types by mass spectrometry requires, in some instances, a preliminary separation of the petroleum sample into representative aromatics and nonaromatics ...