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SULFONATES BY LIQUID CHROMATOGRAPHY: D3712
SULFONATES BY LIQUID CHROMATOGRAPHY: D3712(Equivalent Test Method: IP 369)EXPLANATIONThis test method provides a means of determining sulfonate content and of classifying and characterizing natural and synthetic petroleum sulfonate products by sulfonate content and average molecular weight. Purity of ...
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TOTAL AND POTENTIAL INORGANIC SULFATE AND TOTAL INORGANIC CHLORIDE IN FUEL ETHAN
TOTAL AND POTENTIAL INORGANIC SULFATE AND TOTAL INORGANIC CHLORIDE IN FUEL ETHANOL BY ION CHROMATOGRAPHY USING AQUEOUS SAMPLE INJECTION: D7328EXPLANATIONSulfates and chlorides can be found in filter plugging deposits and fuel injector deposits. The acceptability for use of the fuel components and the ...
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TOTAL AND POTENTIAL SULFATE AND INORGANIC CHLORIDE IN FUEL ETHANOL BY DIRECT INJ
TOTAL AND POTENTIAL SULFATE AND INORGANIC CHLORIDE IN FUEL ETHANOL BY DIRECT INJECTION SUPPRESSED ION CHROMATOGRAPHY: D7319EXPLANATIONSulfates and chlorides can be found in filter plugging deposits and fuel injector deposits. The acceptability for use of the fuel components and the finished fuels depends ...
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TOTAL INORGANIC SULFATE IN ETHANOL BY POTENTIOMETRIC TITRATION: D7318
TOTAL INORGANIC SULFATE IN ETHANOL BY POTENTIOMETRIC TITRATION: D7318EXPLANATIONEthanol is used as a blending agent added to gasoline. Sulfates are indicated in filter plugging deposits and fuel injector deposits. When fuel ethanol is burned, sulfates may contribute to sulfuric acid emissions. Ethanol ...
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STABILITY OF WATER-IN-OIL EMULSIONS: D3709
STABILITY OF WATER-IN-OIL EMULSIONS: D3709EXPLANATIONThis test method indicates the ability of the emulsion to withstand mild to moderately severe winter conditions of use and storage. Generally this significance would be limited to conditions where the emulsion reaches a minimum temperature of -18° ...
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STORAGE STABILITY OF WATER-IN-OIL EMULSIONS: D3707
STORAGE STABILITY OF WATER-IN-OIL EMULSIONS: D3707EXPLANATIONThis test method indicates the stability of the emulsions during storage and normal use.TEST SUMMARYA 100-mL sample in a graduated 100-mL cylinder is placed in a thermostatically controlled oven at 85° C for 48 or 96 h. The sample is then ...
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STABILITY OF RESIDUAL FUELS BY SPOT TEST: D4740
STABILITY OF RESIDUAL FUELS BY SPOT TEST: D4740EXPLANATIONThis test method describes separate procedures for determining the cleanliness of residual fuel oil and its compatibility with a blend stock. It is applicable to fuel oils with viscosities up to 50 cSt at 100° C. These procedures used alone or ...
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INTRINSIC STABILITY OF ASPHALTENE CONTAINING OILS: D7157
INTRINSIC STABILITY OF ASPHALTENE CONTAINING OILS: D7157EXPLANATIONThis test method describes a sensitive method for estimating the intrinsic stability of an oil. The intrinsic stability is expressed as an S-value. An oil with a low S-value is likely to undergo flocculation of asphaltenes when stressed ...
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DISTILLATE FUEL STORAGE STABILITY: D5304
DISTILLATE FUEL STORAGE STABILITY: D5304EXPLANATIONThis test method covers a procedure for assessing the potential storage stability of middle distillate fuels, both freshly refined or already in storage, and those with or without stabilizer additives. The results of this test method are useful in comparing ...
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DISTILLATE FUEL STORAGE STABILITY AT 43° C: D4625
DISTILLATE FUEL STORAGE STABILITY AT 43° C: D4625EXPLANATIONFuel oxidation and other degradative reactions leading to sediment (and color) formation are mildly accelerated by the test conditions, compared to typical storage conditions. These test results have been shown to predict storage stability ...
