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ASTM D4809 Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels
ASTM D4809 Test Method for Heat of Combustion of Liquid Hydrocarbon FuelsASTM D4809 Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter (Precision Method)1. Scope1.1 This test method covers the determination of the heat of combustion of hydrocarbon fuels. It is designed ...
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ASTM D4814 Standard Specification for Automotive Spark-Ignition Engine Fuel
ASTM D4814 Standard Specification for Automotive Spark-Ignition Engine Fuel9. Precision and Bias9.1 The precision of each required test method for the properties specified is included in the standard applicable to each method, with the exception of Driveability Index. In many cases, the precision applicable ...
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ASTM D4814 Standard Specification for Automotive Spark-Ignition Engine Fuel
ASTM D4814 Standard Specification for Automotive Spark-Ignition Engine Fuel6. Workmanship6.1 The finished fuel shall be visually free of undissolved water, sediment, and suspended matter; it shall be clear and bright at the ambient temperature or 21°C (70°F), whichever is higher.6.2 Fuel to be used ...
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ASTM D4814 Standard Specification for Automotive Spark-Ignition Engine Fuel
ASTM D4814 Standard Specification for Automotive Spark-Ignition Engine Fuel4. Ordering Information4.1 The purchasing agency shall:4.1.1 State the antiknock index as agreed upon with the seller,4.1.2 Indicate the season and locality in which the fuel is to be used,4.1.3 Indicate the lead level required ...
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ASTM D4814 Standard Specification for Automotive Spark-Ignition Engine Fuel
ASTM D4814 Standard Specification for Automotive Spark-Ignition Engine Fuel1. Scope1.1 This specification covers the establishment of requirements of automotive fuels for ground vehicles equipped with spark-ignition engines.1.2 This specification describes various characteristics of automotive fuels ...
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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 Equation7. Report7.1 Report the result of Procedure A or Procedure B to one decimal place (XX.X) as:Cetane Index by D4737 (Procedure A or B) = _____________8. Precision and Bias8.1 The determination of Calculated Cetane Index by Four ...
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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 Equation5. Procedure5.1 Determine the density of the fuel at 15°C to the nearest 0.0001 g/mL, as described in Test Method D1298 or Test Method D4052.5.2 Determine the 10 %, 50 %, and 90 % recovery temperatures of the fuel, as described ...
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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 ...
