Home > Classroom

  • ASH SULFATED ASH FROM LUBRICATING OILS AND ADDITIVES: ASTM D874 ASH SULFATED ASH FROM LUBRICATING OILS AND ADDITIVES: ASTM D874(Equivalent Test Methods: IP 163, ISO 3987, DIN 51575, JIS K 2272, and AFNOR T60-143)EXPLANATIONSulfated ash is the residue remaining after the sample has been carbonized, and the residue subsequently treated with sulfuric acid and heated ...
  • ASH FROM PETROLEUM PRODUCTS: ASTM D482 ASH FROM PETROLEUM PRODUCTS: ASTM D482(Equivalent Test Methods: IP 4, ISO 6245, JIS K 2272, and AFNOR M07-045)EXPLANATIONAsh in a petroleum product can result from oil or water-soluble metallic compounds or from extraneous solids such as dirt and rust. This test method is not valid for petroleum products ...
  • ASH IN PETROLEUM COKE: ASTM D4422 ASH IN PETROLEUM COKE: ASTM D4422EXPLANATIONThe ash content is one of the properties used to evaluate petroleum coke and indicates the amount of undesirable residue present. Acceptable ash content varies with the intended use.Preparation and testing of the analysis sample must neither remove nor add ...
  • ASH IN COAL TAR AND PITCH: ASTM D2415 ASH IN COAL TAR AND PITCH: ASTM D2415EXPLANATIONThis test method determines the amount of inorganic matter in the tar and pitch samples as ash.TEST SUMMARYThe sample is carefully volatilized and burned in a muffle furnace or by other suitable means, after which the carbonaceous residue is completely ...
  • AROMATICS IN HYDROCARBON OILS BY HIGH RESOLUTION NUCLEAR MAGNETIC RESONANCE (HR- AROMATICS IN HYDROCARBON OILS BY HIGH RESOLUTION NUCLEAR MAGNETIC RESONANCE (HR-NMR): ASTM D5292EXPLANATIONAromatic content is a key property of hydrocarbon oils and can affect a variety of properties including boiling range, viscosity, stability, and compatibility of oils with polymers. Existing methods ...
  • AROMATICS IN GASOLINES BY GAS CHROMATOGRAPHY-MASS SPECTROMETRY GC-MS: ASTM D5769 AROMATICS IN GASOLINES BY GAS CHROMATOGRAPHY-MASS SPECTROMETRY GC-MS: ASTM D5769EXPLANATIONTest methods to determine benzene and the aromatics in gasoline are necessary to assess the product quality and to meet fuel regulations. This test method can be used for gasolines that contain oxygenates such ...
  • AROMATICS IN FINISHED GASOLINE BY GC-FTIR: ASTM D5986 AROMATICS IN FINISHED GASOLINE BY GC-FTIR: ASTM D5986EXPLANATIONTo assess product quality and meet new fuel regulations, it is necessary to have methods to determine oxygenates, benzene, and aromatic content of gasoline. This method can be used for gasolines that contain oxygenates such as alcohols and ...
  • AROMATICS IN FINISHED GASOLINE BY GC: ASTM D5580 AROMATICS IN FINISHED GASOLINE BY GC: ASTM D5580EXPLANATIONTo reduce the ozone reactivity in toxicity of automotive evaporative and exhaust emissions regulations limiting the concentration of benzene and the total aromatic content of finished gasoline have been established. This test method can be used ...
  • AROMATICS IN FINISHED GASOLINE BY GAS CHROMATOGRAPHY: ASTM D4420 AROMATICS IN FINISHED GASOLINE BY GAS CHROMATOGRAPHY: ASTM D4420EXPLANATIONA knowledge of the amount of aromatics in gasoline is helpful in assessing the product quality and in evaluating the health hazard to persons handling and using gasoline. This test method determines benzene, toluene, C8, C9, and ...
  • AROMATICS AND POLYNUCLEAR AROMATICS IN DIESEL AND AVIATION TURBINE FUELS BY SFC: AROMATICS AND POLYNUCLEAR AROMATICS IN DIESEL AND AVIATION TURBINE FUELS BY SFC: ASTM D5186EXPLANATIONThe aromatic hydrocarbon content of motor diesel fuels affects their cetane number and exhaust emissions. The aromatic hydrocarbon and the napthalene content of aviation turbine fuels affects their combustion ...