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- ASTM D7412 Standard Test Method for Condition Monitoring of Phosphate Antiwear A ASTM D7412 Standard Test Method for Condition Monitoring of Phosphate Antiwear Additives in In-Service Petroleum and Hydrocarbon Based Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry4. Summary of Test Method4.1 This test method uses FT-IR spectrometry to monitor levels ...
- ASTM D7412 Standard Test Method for Condition Monitoring of Phosphate Antiwear A ASTM D7412 Standard Test Method for Condition Monitoring of Phosphate Antiwear Additives in In-Service Petroleum and Hydrocarbon Based Lubricants by Trend Analysis Using Fourier Transform Infrared (FT-IR) Spectrometry1. Scope1.1 This test method covers monitoring phosphate antiwear additives in in-service ...
- ASTM D6810 Standard Test Method for Measurement of Hindered Phenolic Antioxidant ASTM D6810 Standard Test Method for Measurement of Hindered Phenolic Antioxidant Content in Non-Zinc Turbine Oils by Linear Sweep Voltammetry10. Precision and Bias10.1 The following criteria should be used for judging the acceptability of results (95 % of confidence).10.1.1 Repeatability - The difference ...
- ASTM D6810 Standard Test Method for Measurement of Hindered Phenolic Antioxidant ASTM D6810 Standard Test Method for Measurement of Hindered Phenolic Antioxidant Content in Non-Zinc Turbine Oils by Linear Sweep Voltammetry8. Procedure8.1 The voltammetric analyzer used in this test method gives linear results between 2 to 50 mmol for hindered phenols using an oil sample size of 0.40 ...
- ASTM D6810 Standard Test Method for Measurement of Hindered Phenolic Antioxidant ASTM D6810 Standard Test Method for Measurement of Hindered Phenolic Antioxidant Content in Non-Zinc Turbine Oils by Linear Sweep Voltammetry5. Apparatus5.1 Voltammetric Analyzer - The instrument used to quantify the hindered phenol antioxidants is a voltammograph equipped with a three-electrode system ...
- ASTM D6810 Standard Test Method for Measurement of Hindered Phenolic Antioxidant ASTM D6810 Standard Test Method for Measurement of Hindered Phenolic Antioxidant Content in Non-Zinc Turbine Oils by Linear Sweep Voltammetry3. Summary of Test Method3.1 A measured quantity of sample is dispensed into a vial containing a measured quantity of alcohol-based electrolyte solution and containing ...
- ASTM D6810 Standard Test Method for Measurement of Hindered Phenolic Antioxidant ASTM D6810 Standard Test Method for Measurement of Hindered Phenolic Antioxidant Content in Non-Zinc Turbine Oils by Linear Sweep Voltammetry1. Scope1.1 This test method covers the voltammetric determination of hindered phenol antioxidants in new or in-service non-zinc turbine oils in concentrations ...
- ASTM D6971 Standard Test Method for Measurement of Hindered Phenolic and Aromati ASTM D6971 Standard Test Method for Measurement of Hindered Phenolic and Aromatic Amine Antioxidant Content in Non-zinc Turbine Oils by Linear Sweep Voltammetry10. Precision and Bias10.1 Statement of Precision - The precision of this test method as obtained by statistical analysis of interlaboratory ...
- ASTM D6971 Standard Test Method for Measurement of Hindered Phenolic and Aromati ASTM D6971 Standard Test Method for Measurement of Hindered Phenolic and Aromatic Amine Antioxidant Content in Non-zinc Turbine Oils by Linear Sweep Voltammetry8. Procedure8.1 The voltammetric analyzer used in this test method gives linear results between 2 to 50 mmol for hindered phenols and aromatic ...
- ASTM D6971 Standard Test Method for Measurement of Hindered Phenolic and Aromati ASTM D6971 Standard Test Method for Measurement of Hindered Phenolic and Aromatic Amine Antioxidant Content in Non-zinc Turbine Oils by Linear Sweep Voltammetry5. Apparatus5.1 Voltammetric Analyzer - The instrument used to quantify the hindered phenol and aromatic amine antioxidants is a voltammograph ...