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PARTICULATE CONTAMINATION IN AVIATION FUELS: ASTM D5452
PARTICULATE CONTAMINATION IN AVIATION FUELS: ASTM D5452EXPLANATIONThis test method provides a gravimetric measurement of the particulate matter present in a sample of aviation turbine fuel. The objective is to minimize these contaminants to avoid filter plugging and other operational problems. Although ...
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OXYGENATES O-PONA HYDROCARBONS IN FUELS BY GC: ASTM D6293
OXYGENATES O-PONA HYDROCARBONS IN FUELS BY GC: ASTM D6293EXPLANATIONA knowledge of spark-ignition engine fuel composition is useful for regulatory compliance, process control, and quality assurance. This test method provides for the quantitative determination of oxygenates, paraffins, olefins, napthenes, ...
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OXYGENATES IN GASOLINE BY GAS CHROMATOGRAPHY: ASTM D5599
OXYGENATES IN GASOLINE BY GAS CHROMATOGRAPHY: ASTM D5599(Equivalent Test Method: IP 408)EXPLANATIONAlcohols, ethers, and other oxygenates are added to gasoline to increase the octane number and to reduce tailpipe emission of carbon monoxide. They must be added in the proper concentration and ratios to ...
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OXYGEN IN GASOLINE AND FUELS BY REDUCTIVE PYROLYSIS: ASTM D5622
OXYGEN IN GASOLINE AND FUELS BY REDUCTIVE PYROLYSIS: ASTM D5622EXPLANATIONThe presence of oxygen-containing compounds in gasoline can promote more complete combustion which reduces carbon monoxide emissions. The Clean Air Act of 1992 requires that gasoline sold within certain, specified geographical ...
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OXIDATION STABILITY OF STEAM TURBINE OILS BY ROTATING PRESSURE VESSEL: ASTM D227
OXIDATION STABILITY OF STEAM TURBINE OILS BY ROTATING PRESSURE VESSEL: ASTM D2272EXPLANATIONThe estimate of oxidation stability is useful in controlling the continuity of this property for batch acceptance of production lots having the same operation. This test method utilizes an oxygen pressured vessel ...
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OXIDATION STABILITY OF OILS BY UNIVERSAL OXIDATION TEST: ASTM D5846
OXIDATION STABILITY OF OILS BY UNIVERSAL OXIDATION TEST: ASTM D5846EXPLANATIONDegradation of hydraulic fluids and turbine oils, because of oxidation or thermal breakdown, can result in the formation of acids or insoluble solids and render the oil unfit for further use. This test method covers a procedure ...
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OXIDATION STABILITY OF LUBRICATING GREASES: ASTM D942
OXIDATION STABILITY OF LUBRICATING GREASES: ASTM D942(Equivalent Test Methods: IP 142 and DIN 51808)EXPLANATIONThis test method measures the net change in pressure resulting from oxygen consumption by oxidation and gain in pressure due to the formation of volatile oxidation byproducts. This test method ...
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OXIDATION STABILITY OF INHIBITED MINERAL OILS: ASTM D943
OXIDATION STABILITY OF INHIBITED MINERAL OILS: ASTM D943(Equivalent Test Method: ISO 4263)EXPLANATIONThis test method is widely used for specification purposes and is considered of value when estimating the oxidation stability of lubricants, especially those that are prone to water contamination. However, ...
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OXIDATION STABILITY OF GEAR OILS: ASTM D5763
OXIDATION STABILITY OF GEAR OILS: ASTM D5763EXPLANATIONDegradation of gear oils by oxidation or thermal breakdown, or both, can result in sludge buildup and render the oil unsuitable for further use as a lubricant. This test method covers the determination of the oxidation characteristics of extreme ...
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OXIDATION STABILITY OF GASOLINE: ASTM D525
OXIDATION STABILITY OF GASOLINE: ASTM D525(Equivalent Test Methods: IP 40, ISO 7536, DIN 51780, and AFNOR M07-012)EXPLANATIONThe induction period may be used as an indication of the tendency of motor gasoline to form gum in storage. However, its correlation with the formation of gum in storage may vary ...
