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ASTM D4737 Test Method for Calculated Cetane Index by Four Variable Equation
ASTM D4737 Test Method for Calculated Cetane Index by Four Variable Equation3. Summary of Test Method3.1 Two correlations in SI units have been established between the ASTM cetane number and the density and 10 %, 50 %, and 90 % distillation recovery temperatures of the fuel. Procedure A has been developed ...
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ASTM D4737 Test Method for Calculated Cetane Index by Four Variable Equation
ASTM D4737 Test Method for Calculated Cetane Index by Four Variable Equation1. Scope1.1 The calculated Cetane Index by Four Variable Equation provides a means for estimating the ASTM cetane number (Test Method D613) of distillate fuels from density and distillation recovery temperature measurements. ...
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ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)
ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)13. Report13.1 Report Ti, Fi, and Ai from 12.1 for both bottles to show repeatability of tests at each aging period.14. Precision and Bias14.1 The precision of this test method as determined by the statistical examination ...
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ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)
ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)11. Procedure11.1 Sample Aging:11.1.1 Adjust the storage oven for sample storage to a temperature of 43 ± 1°C (110 ± 2°F).11.1.2 Place 400 mL of filtered fuel into each bottle. Use two bottles for each sampling period. ...
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ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)
ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)9. Preparation of Apparatus and Sample Bottles9.1 Sample Storage Bottles - Scrub each bottle with a detergent solution and rinse it with water. Soak the bottle overnight in a mildly alkaline laboratory glassware cleaning ...
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ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)
ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)6. Apparatus6.1 Sample Containers, borosilicate glass bottles. The containers must have a lid or cover, preferably with a polytetrafluoroethylene (PTFE) insert and a hole for a borosilicate glass vent. The total capacity ...
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ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)
ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)4. Summary of Test Method4.1 Four-hundred millilitre volumes of filtered fuel are aged by storage in borosilicate glass containers at 43°C (110°F) for periods of 0, 4, 8, 12, 18, and 24 weeks. After aging for a selected ...
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ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)
ASTM D4625 Method for Middle Distillate Fuel Storage Stability at 43°C (110°F)1. Scope1.1 This test method covers a method for evaluating the inherent storage stability of distillate fuels having flash points above 38°C (100°F), by Test Methods D93, and 90 % distilled points below 340°C (644°F), ...
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ASTM D4310 Method for Sludging and Corrosion Tendencies of Inhibited Mineral Oil
ASTM D4310 Method for Sludging and Corrosion Tendencies of Inhibited Mineral Oils15. Report15.1 Report the test method number and the procedure used (Procedure A or B).15.2 For Procedure A:15.2.1 Weight of insoluble material in milligrams, and15.2.2 Weight of total copper in oil, water, and insolubles ...
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ASTM D4310 Method for Sludging and Corrosion Tendencies of Inhibited Mineral Oil
ASTM D4310 Method for Sludging and Corrosion Tendencies of Inhibited Mineral Oils14. Calculations14.1 Weight of insoluble material, in milligrams:I = (A2 - A1) + (B2 - B1) mgwhere:I = insoluble material, mg,A1, B1 = initial weight of filter membrane plus weighing bottle or watch glass, mg, andA2, B2 ...
