Home > Classroom

  • EVAPORATION LOSSES OF LUBRICATING GREASES AND OILS: D972 EVAPORATION LOSSES OF LUBRICATING GREASES AND OILS: D972EXPLANATIONSee the discussion under Test Method D2595. This test is run at temperatures between 100 and 150° C (210 to 300° F).TEST SUMMARYSee the discussion under Test Method D2595.TEST PRECISIONThis test method has a repeatability of 0.025 M ...
  • EVAPORATION LOSS OF LUBRICATING GREASES: D2595 EVAPORATION LOSS OF LUBRICATING GREASES: D2595EXPLANATIONThe loss of volatile materials from greases and oils can adversely affect the original performance characteristics of a lubricant and therefore, could be a significant factor in evaluating a lubricant for a specific use. Such volatiles can also ...
  • ENGINE OIL VOLATILITY BY GC: D5480 ENGINE OIL VOLATILITY BY GC: D5480This test method provides the determination of the amount of engine oil volatilized at 700°F (371° C). This test method is applicable to engine oils containing high molecular weight components that need not elute from a GC column. This test method can also be used ...
  • EVAPORATION LOSSES BY VOLATILITY EVAPORATION LOSSES BY VOLATILITYGENERALA number of methods exist for the determination of engine oil volatility based on gas chromatographic or physical measurements. Evaporation loss is a critical parameter of interest to automobile manufacturers, and is included in several oil lubricant specifications.
  • ETHYLENE GLYCOL IN USED ENGINE OIL: D4291 ETHYLENE GLYCOL IN USED ENGINE OIL: D4291EXPLANATIONLeakage of aqueous engine coolant into the crank case weakens the ability of the oil to lubricate. If ethylene glycol is present, it promotes varnish and deposit formation. This test method provides for early detection to prevent coolant from accumulating ...
  • ETHYL MERCAPTAN IN LPG VAPOR: D5305 ETHYL MERCAPTAN IN LPG VAPOR: D5305EXPLANATIONLPG is colorless and odorless, and not detectable by normal human senses. To provide an olfactory warning in the event of a leak, LPG intended for domestic or commercial use is intentionally odorized so as to be readily detectable well below flammable or ...
  • ETHANOL CONTENT IN DENATURED FUEL ETHANOL BY GC: D5501 ETHANOL CONTENT IN DENATURED FUEL ETHANOL BY GC: D5501EXPLANATIONFuel ethanol is required to be denatured with gasoline in accordance with Specification D4806. State and federal laws specify the concentration of ethanol in gasoline blends. Hence, the determination of the amount of denaturant is important. ...
  • ENGINE OIL VOLATILITY BY CAPILLARY GAS CHROMATOGRAPHY: D6417 ENGINE OIL VOLATILITY BY CAPILLARY GAS CHROMATOGRAPHY: D6417EXPLANATIONThe determination of engine oil volatility at 371° C is a requirement in some lubricant specifications. This test method is intended as an alternative to Test Methods D5800 and D5480. The data obtained by this test method are not ...
  • ELECTRICAL CONDUCTIVITY OF LIQUID HYDROCARBONS: D4308 ELECTRICAL CONDUCTIVITY OF LIQUID HYDROCARBONS: D4308EXPLANATIONSee discussion under Test Method D2624. This test method applies to the determination of the "rest" conductivity of aviation fuels and other similar low-conductivity hydrocarbon liquids in the range 0.1 to 2000 pS/ m. This test method can ...
  • ELECTRICAL CONDUCTIVITY OF FUELS: D2624 ELECTRICAL CONDUCTIVITY OF FUELS: D2624(Equivalent Tests: IP 274, ISO 6297, and DIN 51412 T2)EXPLANATIONThe ability of a fuel to dissipate charge that has been generated during pumping and filtering operations is controlled by its electrical conductivity, which depends upon its ionic species content. ...