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ASTM D3613 for Sampling Insulating Liquids for Gas Analysis and Water Analysis
ASTM D3613 for Sampling Insulating Liquids for Gas Analysis and Water AnalysisASTM D3613 Standard Practice for Sampling Insulating Liquids for Gas Analysis and Determination of Water Content1. Scope1.1 This practice covers sampling electrical insulating liquids having a viscosity less than 650 cSt at ...
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ASTM D2779 Method for Estimation of Solubility of Gases in Petroleum Liquids
ASTM D2779 Method for Estimation of Solubility of Gases in Petroleum Liquids7. Precision and Bias7.1 Precision - The repeatability of prediction for various gases is shown in Table 2, expressed as the 95 % confidence interval. Only in one case out of 20 will the percent difference between the predicted ...
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ASTM D2779 Method for Estimation of Solubility of Gases in Petroleum Liquids
ASTM D2779 Method for Estimation of Solubility of Gases in Petroleum Liquids6. Procedure6.1 Determine d by Test Method D1298 if it is not otherwise available.6.2 Determine L for the desired gas at T from Fig. 1, if it is shown.6.3 Determine Lo from Table 1 for gases not shown in Fig. 1.6.4 Calculate ...
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ASTM D2779 Method for Estimation of Solubility of Gases in Petroleum Liquids
ASTM D2779 Method for Estimation of Solubility of Gases in Petroleum Liquids4. Summary of Test Method4.1 Correlations have been established by the National Aeronautics and Space Administration (formerly National Advisory Committee on Aeronautics) in NACA Technical Note 3276 (1956) Their work was extended ...
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ASTM D2779 Method for Estimation of Solubility of Gases in Petroleum Liquids
ASTM D2779 Method for Estimation of Solubility of Gases in Petroleum Liquids1. Scope1.1 This test method covers the estimation of the equilibrium solubility of several common gases encountered in the aerospace industry in hydrocarbon liquids. These include petroleum fractions with densities in the range ...
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ASTM D2780 Test Method for Solubility of Fixed Gases in Liquids
ASTM D2780 Test Method for Solubility of Fixed Gases in Liquids11. Report11.1 Report the solubility of a gas in a liquid sample expressed as the Ostwald coefficient. Indicate the temperature and pressure at which the liquid was saturated with the gas.11.2 If the method has been used to determine the ...
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ASTM D2780 Test Method for Solubility of Fixed Gases in Liquids
ASTM D2780 Test Method for Solubility of Fixed Gases in Liquids10. Calculation10.1 Calculate the volume of gas dissolved in the sample at the specified temperature and pressure of test in the following manner:Vost = VB x (PB/PO) x [(To + 273.2)/(TB + 273.2)]where:Vost = volume of extracted gas at temperature ...
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ASTM D2780 Test Method for Solubility of Fixed Gases in Liquids
ASTM D2780 Test Method for Solubility of Fixed Gases in Liquids9. Procedure B9.1 Procedure B covers the determination of the solubility of fixed gases in liquids at elevated pressure.9.2 Place in the elevated pressure saturator (Fig. 2) 300 to 500 mL of the sample liquid that has been saturated with ...
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ASTM D2780 Test Method for Solubility of Fixed Gases in Liquids
ASTM D2780 Test Method for Solubility of Fixed Gases in Liquids8. Procedure A8.1 Procedure A covers the determination of the solubility of fixed gases in liquids at ambient pressure.8.2 Add to the ambient pressure saturator (Fig. 1) a sufficient amount of the liquid to cover the gas dispersion element ...
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ASTM D2780 Test Method for Solubility of Fixed Gases in Liquids
ASTM D2780 Test Method for Solubility of Fixed Gases in Liquids5. Apparatus5.1 Ambient Pressure Saturator, suitable for the saturation of liquids with fixed gases at various temperatures at ambient pressure is shown in Fig. 1. The system comprises four parts:5.1.1 Gas Supply and Pressure Regulator,5.1.2 ...
