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ASTM D2699 test method for Research Octane Number of Spark-Ignition Engine Fuel
ASTM D2699 test method for Research Octane Number of Spark-Ignition Engine Fuel1. Scope1.1 This laboratory test method covers the quantitative determination of the knock rating of liquid spark-ignition engine fuel in terms of Research O.N., except that this test method may not be applicable to fuel and ...
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ASTM D4530 test method for determination of carbon residue (Micro method)
ASTM D4530 test method for determination of carbon residue (Micro method)11. Report11.1 Report the value obtained as Micro Method carbon residue, percent or as Micro Method carbon residue on 10 % distillation residue, percent to the nearest 0.1 % (m/m).12. Precision and Bias12.1 The precision of this ...
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ASTM D4530 test method for determination of carbon residue (Micro method)
ASTM D4530 test method for determination of carbon residue (Micro method)8. Procedure8.1 Sample Preparation:8.1.1 Determine the mass of each clean sample vial being used in the sample analysis, and record the mass to nearest 0.1 mg.8.1.2 During weighing and filling, handle vials with forceps to help ...
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ASTM D4530 test method for determination of carbon residue (Micro method)
ASTM D4530 test method for determination of carbon residue (Micro method)6. Apparatus6.1 Glass Sample Vials, 2-mL capacity, 12-mm outside diameter by approximately 35-mm high.6.2 Larger 4 dram Glass Sample Vials, 15-mL capacity (20.5 to 21-mm outside diameter by 70 more or less 1-mm high), may be used ...
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ASTM D4530 test method for determination of carbon residue (Micro method)
ASTM D4530 test method for determination of carbon residue (Micro method)4. Summary of Test Method4.1 A weighed quantity of sample is placed in a glass vial and heated to 500°C under an inert (nitrogen) atmosphere in a controlled manner for a specific time. The sample undergoes coking reactions, and ...
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ASTM D4530 test method for determination of carbon residue (Micro method)
ASTM D4530 test method for determination of carbon residue (Micro method)1. Scope1.1 This test method covers the determination of the amount of carbon residue (see Note 1) formed after evaporation and pyrolysis of petroleum materials under certain conditions and is intended to provide some indication ...
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ASTM D974 method for acid and base number by color-indicator titration
ASTM D974 method for acid and base number by color-indicator titration12. Quality Control Checks12.1 Confirm the performance of the equipment or the procedure each day it is in use, by analyzing a quality control (QC) sample. It is advisable to analyze additional QC samples as appropriate, such as at ...
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ASTM D974 method for acid and base number by color-indicator titration
ASTM D974 method for acid and base number by color-indicator titration9. Procedure for Acid Number9.1 Into an appropriate size Erlenmeyer flask or a beaker, introduce a weighed quantity of the sample as given in Table 1. Add 100 mL of the titration solvent and 0.5 mL of the indicator solution, and without ...
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ASTM D974 method for acid and base number by color-indicator titration
ASTM D974 method for acid and base number by color-indicator titration6. Apparatus6.1 Burets (with the following dimensions):50-mL buret graduated in 0.1-mL subdivisions10-mL buret graduated in 0.05-mL or smaller subdivisions5-mL with 0.02-mL subdivisionsNOTE 4 - An automated buret capable of delivering ...
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ASTM D974 method for acid and base number by color-indicator titration
ASTM D974 method for acid and base number by color-indicator titration4. Summary of Test Method4.1 To determine the acid or base number, the sample is dissolved in a mixture of toluene and isopropyl alcohol containing a small amount of water, and the resulting single-phase solution is titrated at room ...
