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- ASTM D7038 Standard Test Method for Evaluation of Moisture Corrosion Resistance ASTM D7038 Standard Test Method for Evaluation of Moisture Corrosion Resistance of Automotive Gear Lubricants6. Apparatus6.1 Laboratory Ambient Conditions:6.1.1 Test Operating Area - The ambient laboratory atmosphere shall be free of dirt, dust, and other contaminants as required by good laboratory standards.6.1.2 ...
- ASTM D7038 Standard Test Method for Evaluation of Moisture Corrosion Resistance ASTM D7038 Standard Test Method for Evaluation of Moisture Corrosion Resistance of Automotive Gear Lubricants4. Summary of Test Method4.1 This procedure uses a new hypoid differential assembly as the primary test unit. The differential assembly is installed on a motoring rig and charged with test lubricant ...
- ASTM D7038 Standard Test Method for Evaluation of Moisture Corrosion Resistance ASTM D7038 Standard Test Method for Evaluation of Moisture Corrosion Resistance of Automotive Gear Lubricants1. Scope1.1 This test method covers a test procedure for evaluating the rust and corrosion inhibiting properties of a gear lubricant while subjected to water contamination and elevated temperature ...
- ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) o ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure10. Report10.1 Report the result to the nearest whole number.11. Precision and Bias11.1 Precision - The precision of this test method as obtained by statistical ...
- ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) o ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure8. Procedure8.1 Select the solvent to be used and fill the solvent cup as described in 7.2. Weigh into a 25 mL volumetric flask the amount of sample suggested ...
- ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) o ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure6. Sampling6.1 The sample must be completely soluble in the selected solvent at concentrations of at least 0.10 M, and it must not have an appreciable vapor pressure ...
- ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) o ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure4. Apparatus4.1 Vapor Pressure Osmometer, with operating diagram.5. Reagents and Materials5.1 Purity of Reagents - Reagent grade chemicals shall be used in all ...
- ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) o ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure2. Summary of Test Method2.1 A weighed portion of the sample is dissolved in a known quantity of appropriate solvent. A drop of this solution and a drop of solvent ...
- ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) o ASTM D2503 Standard Test Method for Relative Molecular Mass (Molecular Weight) of Hydrocarbons by Thermoelectric Measurement of Vapor Pressure1. Scope1.1 This test method covers the determination of the average relative molecular mass (molecular weight) of hydrocarbon oils. It can be applied to petroleum ...
- ASTM D4864 Test Method for Determination of Traces of Methanol in Propylene Conc ASTM D4864 Test Method for Determination of Traces of Methanol in Propylene Concentrates by Gas Chromatography13. Calculation13.1 Calculate the methanol content of the propylene concentrate using the following equation:Methanol, mg/kg (ppm mass) = (A·F·Fx·W)/Gwhere:A = area of methanol peak,F = methanol ...