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INDIVIDUAL COMPONENTS IN ENGINE FUELS BY HIGH RESOLUTION GAS CHROMATOGRAPHY: AST
INDIVIDUAL COMPONENTS IN ENGINE FUELS BY HIGH RESOLUTION GAS CHROMATOGRAPHY: ASTM D6730EXPLANATIONSee Explanation in the Test Method ASTM D6730 on the previous page.TEST SUMMARYA representative sample of the petroleum liquid is introduced into a gas chromatograph equipped with an open tubular (capillary) ...
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INDIVIDUAL COMPONENTS IN ENGINE FUELS BY HIGH RESOLUTION GAS CHROMATOGRAPHY: AST
INDIVIDUAL COMPONENTS IN ENGINE FUELS BY HIGH RESOLUTION GAS CHROMATOGRAPHY: ASTM D6729EXPLANATIONKnowledge of the specified individual component composition (speciation) of gasoline fuels and blending stocks is useful for refinery quality control and product specification. Compliance in these areas ...
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HYDROXYL NUMBER: ASTM D1957
HYDROXYL NUMBER: ASTM D1957EXPLANATIONHydroxyl value is important in establishing reactivity with acids and isocyanates. It is also a measure of the degree of dehydration of castor oil.This test method determines the total amount of residual hydroxyl groups present in oils and other fatty acid-containing ...
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ASTM D1957 Standard Test Method for Hydroxyl Value of Fatty Oils and Acids
ASTM D1957 Standard Test Method for Hydroxyl Value of Fatty Oils and Acids8. Calculation and Report8.1 Calculate the hydroxyl value as the number of milligrams of potassium hydroxide equivalent to the hydroxyl content of 1 g of sample as follows:where:A = KOH solution required for titration of the acid ...
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ASTM D1957 Standard Test Method for Hydroxyl Value of Fatty Oils and Acids
ASTM D1957 Standard Test Method for Hydroxyl Value of Fatty Oils and Acids7. Procedure7.1 Weigh, to 0.1 mg into a 250-mL Erlenmeyer flask, the correct amount of sample for acetylation determined as follows:7.2 Weigh 9.0 to 11.0 g of the sample into another flask for the acid value. If the test method ...
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ASTM D1957 Standard Test Method for Hydroxyl Value of Fatty Oils and Acids
ASTM D1957 Standard Test Method for Hydroxyl Value of Fatty Oils and Acids4. Apparatus4.1 Erlenmeyer Flask, 250-mL, standard ground-glass-stoppered.4.2 Condensers, straight-tube, Liebig type, having standard ground-glass joints.5. Reagents5.1 Purity of Reagents - Reagent grade chemicals shall be used ...
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ASTM D1957 Standard Test Method for Hydroxyl Value of Fatty Oils and Acids
ASTM D1957 Standard Test Method for Hydroxyl Value of Fatty Oils and Acids3. Significance and Use3.1 Hydroxyl value is important in establishing reactivity with acids and isocyanates. It is also a measure of the degree of dehydration of castor oil.3.2 This test method determines the total amount of residual ...
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ASTM D1957 Standard Test Method for Hydroxyl Value of Fatty Oils and Acids
ASTM D1957 Standard Test Method for Hydroxyl Value of Fatty Oils and Acids1. Scope1.1 This test method covers the determination of the hydroxyl content of castor oil, dehydrated castor oil, and their derivatives. This test method may also be used for other fatty products such as fatty alcohols, mono- ...
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HYDROPEROXIDE NUMBER OF AVIATION TURBINE FUELS: ASTM D6447
HYDROPEROXIDE NUMBER OF AVIATION TURBINE FUELS: ASTM D6447EXPLANATIONThe magnitude of the hydroperoxide number is an indication of the quantity of oxidizing constituents present. Deterioration of fuel results in the formation of hydroperoxides and other oxygen-carrying compounds. The hydroperoxide number ...
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HYDROGEN SULFIDE IN RESIDUAL FUEL OILS: ASTM D5705
HYDROGEN SULFIDE IN RESIDUAL FUEL OILS: ASTM D5705EXPLANATIONSee the discussion under Test Method ASTM D6021. This test method covers the field determination of hydrogen sulfide in the vapor phase of a residual fuel oil sample. It is applicable to liquids with a viscosity range of 5.5 cSt at 40° C to ...
