-
OXIDATION STABILITY OF OILS BY THIN FILM OXYGEN UPTAKE (TFOUT): D4742
OXIDATION STABILITY OF OILS BY THIN FILM OXYGEN UPTAKE (TFOUT): D4742EXPLANATIONThis test method is used to evaluate oxidation stability of lubricating base oils with additives in the presence of chemistries similar to those found in gasoline engine service. Test results for some ASTM reference oils ...
-
OXIDATION STABILITY OF DISTILLATE FUELS: D2274
OXIDATION STABILITY OF DISTILLATE FUELS: D2274(Equivalent Test Methods: IP 388 and ISO 12205)EXPLANATIONThis test method provides a basis for the estimation of the storage stability of middle distillate fuels with an IBP above 175° C and a 90 % recovery point below 370° C such as No. 2 fuel oil. It ...
-
OXIDATION STABILITY OF AVIATION FUELS: D873
OXIDATION STABILITY OF AVIATION FUELS: D873(Equivalent Test Methods: IP 138 and AFNOR M07-013)EXPLANATIONThis test method covers the determination of the tendency of the aviation reciprocating, turbine, and jet engine fuels to form gum and deposits under accelerated aging conditions. The tendency of ...
-
OXIDATION OF USED LUBRICANTS BY FT-IR USING PEAK AREA INCREASE CALCULATION: D721
OXIDATION OF USED LUBRICANTS BY FT-IR USING PEAK AREA INCREASE CALCULATION: D7214EXPLANATIONThe peak area increase (PAI) is representative of the quantity of all the compounds containing a carbonyl function that have formed by the oxidation of the lubricant (aldehydes, ketones, carboxylic acids, esters, ...
-
OXIDATION INDUCTION TIME OF LUBE OILS BY PRESSURE DIFFERENTIAL SCANNING CALORIME
OXIDATION INDUCTION TIME OF LUBE OILS BY PRESSURE DIFFERENTIAL SCANNING CALORIMETRY (PDSC): D6186EXPLANATIONOxidation induction time as determined under the conditions of this test method, may be used as an indication of oxidation stability. This test method covers the determination of oxidation induction ...
-
OXIDATION INDUCTION TIME OF GREASES: D5483
OXIDATION INDUCTION TIME OF GREASES: D5483EXPLANATIONOxidation induction time can be used as an indication of oxidation stability. No correlation has been determined between the results of this test and service performance. This test method covers lubricating greases subjected to oxygen at 3.5 MPa (500 ...
-
OLEFINS IN GASOLINES BY SUPERCRITICAL FLUID CHROMATOGRAPHY: D6550
OLEFINS IN GASOLINES BY SUPERCRITICAL FLUID CHROMATOGRAPHY: D6550EXPLANATIONGasoline-range olefinic hydrocarbons contribute to photochemical reactions in the atmosphere, which result in the formation of photochemical smog in susceptible urban areas. The California Air Resources Board (CARB) has specified ...
-
OLEFINS IN ENGINE FUELS BY GC: D6296
OLEFINS IN ENGINE FUELS BY GC: D6296EXPLANATIONThe quantitative determination of olefins in spark ignition engine fuels is required by government regulations. Knowledge of the total olefin content provides a means to monitor the efficiency of catalytic cracking processes. This test method can determine ...
-
OIL SEPARATION FROM GREASE (CONICAL SIEVE METHOD): D6184
OIL SEPARATION FROM GREASE (CONICAL SIEVE METHOD): D6184EXPLANATIONWhen a lubricating grease separates oil, the residual material changes in consistency which can affect the ability of the product to function as designed. Test results obtained with this procedure are intended to correlate with oil separation ...
-
OIL SEPARATION FROM GREASE BY CENTRIFUGING (KOPPERS METHOD): D4425
OIL SEPARATION FROM GREASE BY CENTRIFUGING (KOPPERS METHOD): D4425EXPLANATIONThis test method is useful in evaluating the degree to which a grease would separate into fluid and solid components when subjected to high centrifugal forces. Flexible shaft couplings, universal joints, and rolling element ...
