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ASTM D2502 Test Method for Estimation of Molecular Weight (Relative Molecular Ma
ASTM D2502 Test Method for Estimation of Molecular Weight (Relative Molecular Mass) of Petroleum Oils From Viscosity Measurements1. Scope1.1 This test method covers the estimation of the mean molecular weight (relative molecular mass) of petroleum oils from kinematic viscosity measurements at 100 and ...
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ASTM D2392 Test Method for Color Of Dyed Aviation Gasolines
ASTM D2392 Test Method for Color Of Dyed Aviation Gasolines7. Report7.1 Report the color as Acceptable or Fail.8. Precision and Bias8.1 Precision - In the case of pass-fail data no generally accepted method for determining precision is currently available.8.2 Bias - No justifiable statement can be made ...
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ASTM D2392 Test Method for Color Of Dyed Aviation Gasolines
ASTM D2392 Test Method for Color Of Dyed Aviation Gasolines6. Procedure6.1 Clean the optical surfaces of the color comparator. Insert the empty fluid tubes in the comparator and adjust the position of the light source until the intensities of the light from both halves of the comparator split-field are ...
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ASTM D2392 Test Method for Color Of Dyed Aviation Gasolines
ASTM D2392 Test Method for Color Of Dyed Aviation Gasolines4. Apparatus4.1 Color Comparator, split-field, for viewing simultaneously (by transmitted light) the sample to be tested and the combination of the reference liquid and the glass permanent-color standard.4.2 Fluid Tubes, of glass, 200-mm viewing ...
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ASTM D2392 Test Method for Color Of Dyed Aviation Gasolines
ASTM D2392 Test Method for Color Of Dyed Aviation Gasolines2. Summary of Test Method2.1 The hue and color intensity of a sample of the gasoline to be tested are compared with those of glass permanent-color standards.3. Significance and Use3.1 Aviation gasolines are dyed different colors for easy identification ...
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ASTM D2392 Test Method for Color Of Dyed Aviation Gasolines
ASTM D2392 Test Method for Color Of Dyed Aviation Gasolines1. Scope1.1 This test method covers the determination of the acceptability of color of dyed aviation gasolines.1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility ...
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ASTM D2715 Test Method for Volatilization Rates of Lubricants in Vacuum
ASTM D2715 Test Method for Volatilization Rates of Lubricants in Vacuum12. Report12.1 For specimens of constant rate according to 11.1, the report shall consist of the evaporation rate per unit area for each temperature, plus a statement of any deviations in coherence of surface as in 7.3, or variation ...
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ASTM D2715 Test Method for Volatilization Rates of Lubricants in Vacuum
ASTM D2715 Test Method for Volatilization Rates of Lubricants in Vacuum9. Procedure A9.1 Immerse the thermocouple in the sample, and bring the furnace to approximate operating temperature.9.2 Suspend the sample and the container in position over the furnace, and tare to near the upper limit of the range.9.3 ...
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ASTM D2715 Test Method for Volatilization Rates of Lubricants in Vacuum
ASTM D2715 Test Method for Volatilization Rates of Lubricants in Vacuum7. Specimen Preparation7.1 Remove dissolved gases from the bulk lot prior to test using a separate vacuum chamber. Break the vacuum in the chamber with helium. A large enough sample of material should be degassed in this pretreatment ...
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ASTM D2715 Test Method for Volatilization Rates of Lubricants in Vacuum
ASTM D2715 Test Method for Volatilization Rates of Lubricants in Vacuum5. Apparatus5.1 Recording Vacuum Microbalance, with capacity of 1 g or more, sensitivity of 0.01 mg or less, zero stability of 0.025 mg or less for 8 h with ranges of weight change of 10 mg or more, and 0.1 mg or less, capable of ...