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POUR POINT OF CRUDE OILS: ASTM D5853
POUR POINT OF CRUDE OILS: ASTM D5853EXPLANATIONThe pour point of a crude oil is an index of the lowest temperature of handleability for certain applications. The maximum and minimum pour point temperatures provide a temperature window where a crude oil, depending on its thermal history, might appear ...
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PISTON DEPOSITS BY TEOST MHT: ASTM D7097
PISTON DEPOSITS BY TEOST MHT: ASTM D7097EXPLANATIONThis test method is designed to predict the deposit-forming tendencies of engine oils in the piston ring belt and upper piston crown area. Correlation has been shown between the TEOST MHT procedure and the TU3MH Peugot engine test in deposit formation. ...
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PHOSPHORUS DETERMINATION IN LUBRICATING OILS: ASTM D4047
PHOSPHORUS DETERMINATION IN LUBRICATING OILS: ASTM D4047(Equivalent Test Methods: IP 149 and ISO 4265)TEST SUMMARYThis test method is applicable in the range 0.005 to 10.0 mass % of phosphorus in unused lubricating oils and additive concentrates. It should be applicable to filtered used oils also; but ...
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PHOSPHORUS DETERMINATION IN LUBRICATING OILS: ASTM D1091
PHOSPHORUS DETERMINATION IN LUBRICATING OILS: ASTM D1091TEST SUMMARYOrganic material in the sample is destroyed and phosphorus in the sample is converted to phosphate ion by oxidation with sulfuric acid+ nitric acid+ hydrogen peroxide. When the phosphorus content is <2 %, the molybdovanado photometric ...
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PHOSPHORUS DETERMINATION IN GASOLINE: ASTM D3231
PHOSPHORUS DETERMINATION IN GASOLINE: ASTM D3231TEST SUMMARYThis test method is applicable for the determination of phosphorus in the range from 0.2 to 40 mg/L. Organic matter in the sample is decomposed by ignition in the presence of zinc oxide. The residue is dissolved in sulfuric acid and reacted ...
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PHOSPHORUS DETERMINATION IN PETROLEUM PRODUCTS: GENERAL
PHOSPHORUS DETERMINATION IN PETROLEUM PRODUCTS: GENERALDepending upon the product, phosphorus can serve as a beneficial adjunct or as a deleterious agent. Phosphorus in gasoline will damage catalytic converters used in automotive emission control systems, and its level therefore is kept low. In additives ...
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PETROLEUM WAX ANALYSIS BY GC: ASTM D5442
PETROLEUM WAX ANALYSIS BY GC: ASTM D5442EXPLANATIONThe determination of carbon number distribution of petroleum waxes and the normal and nonnormal hydrocarbons in each can be used for controlling the production processes as well as a guide to performance in many end users, particularly in rubber formulations. ...
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PEROXIDE NUMBER OF PETROLEUM WAX: ASTM D1832
PEROXIDE NUMBER OF PETROLEUM WAX: ASTM D1832EXPLANATIONDeterioration of petroleum wax results in the formation of peroxides and other oxygen-containing compounds. The peroxide number measures those compounds that will oxidize potassium iodide. Thus the magnitude of the peroxide number is an indication ...
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PEROXIDE NUMBER OF AVIATION TURBINE FUELS: ASTM D3703
PEROXIDE NUMBER OF AVIATION TURBINE FUELS: ASTM D3703EXPLANATIONThe magnitude of the peroxide number is an indication of the quantity of oxidizing constituents present in the sample. Deterioration of turbine fuel results in the formation of the peroxides and other oxygen-carrying compounds. The peroxide ...
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POLYCHLORINATED BIPHENYLS (PCBs) IN WASTES BY GAS CHROMATOGRAPHY: ASTM D6160
POLYCHLORINATED BIPHENYLS (PCBs) IN WASTES BY GAS CHROMATOGRAPHY: ASTM D6160EXPLANATIONThis test method provides sufficient PCB data for many regulatory requirements. While the most common regulatory level is 50 ppm, lower limits are used in some locations. This test method uses a two-tiered analytical ...
