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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 titration1. Scope1.1 This test method covers the determination of acidic or basic constituents (Note 1) in petroleum products and lubricants soluble or nearly soluble in mixtures of toluene and isopropyl alcohol. It is applicable for the determination ...
  • ASTM D4815 for elements in gasoline by gas chromatography ASTM D4815 for elements in gasoline by gas chromatographyASTM D4815 Standard Test Method for Determination of MTBE, ETBE, TAME, DIPE, tertiary-Amyl Alcohol and C1 to C4 Alcohols in Gasoline by Gas Chromatography15. Precision and Bias15.1 Precision - The precision of this test method as determined by ...
  • ASTM D4815 for elements in gasoline by gas chromatography ASTM D4815 for elements in gasoline by gas chromatographyASTM D4815 Standard Test Method for Determination of MTBE, ETBE, TAME, DIPE, tertiary-Amyl Alcohol and C1 to C4 Alcohols in Gasoline by Gas Chromatography13. Procedure13.1 Preparation of Sample - Transfer 0.5 mL of internal standard (Ws) by a volumetric ...
  • ASTM D4815 for elements in gasoline by gas chromatography ASTM D4815 for elements in gasoline by gas chromatographyASTM D4815 Standard Test Method for Determination of MTBE, ETBE, TAME, DIPE, tertiary-Amyl Alcohol and C1 to C4 Alcohols in Gasoline by Gas Chromatography12. Calibration and Standardization12.1 Identification - Determine the retention time of each ...
  • ASTM D4815 for elements in gasoline by gas chromatography ASTM D4815 for elements in gasoline by gas chromatographyASTM D4815 Standard Test Method for Determination of MTBE, ETBE, TAME, DIPE, tertiary-Amyl Alcohol and C1 to C4 Alcohols in Gasoline by Gas Chromatography8. Preparation of Column Packings8.1 TCEP Column Packing:8.1.1 Any satisfactory method used ...
  • ASTM D4815 for elements in gasoline by gas chromatography ASTM D4815 for elements in gasoline by gas chromatographyASTM D4815 Standard Test Method for Determination of MTBE, ETBE, TAME, DIPE, tertiary-Amyl Alcohol and C1 to C4 Alcohols in Gasoline by Gas Chromatography6. Apparatus6.1 Chromatograph - While any gas chromatographic system, which is capable of ...
  • ASTM D4815 for elements in gasoline by gas chromatography ASTM D4815 for elements in gasoline by gas chromatographyASTM D4815 Standard Test Method for Determination of MTBE, ETBE, TAME, DIPE, tertiary-Amyl Alcohol and C1 to C4 Alcohols in Gasoline by Gas Chromatography4. Summary of Test Method4.1 An appropriate internal standard, such as 1,2-dimethoxyethane ...
  • ASTM D4815 for elements in gasoline by gas chromatography ASTM D4815 for elements in gasoline by gas chromatographyASTM D4815 Standard Test Method for Determination of MTBE, ETBE, TAME, DIPE, tertiary-Amyl Alcohol and C1 to C4 Alcohols in Gasoline by Gas Chromatography1. Scope1.1 This test method covers the determination of ethers and alcohols in gasolines ...
  • ASTM D446 for glass capillary kinematic viscometers ASTM D446 for glass capillary kinematic viscometersASTM D446 standard specifications and operating instructions for glass capillary kinematic viscometers7. Kinematic Viscosity Calculation7.1 Basic Formula:7.1.1 Kinematic viscosity, expressed in mm2/s, can be calculated from the viscometer dimensions ...
  • ASTM D446 for glass capillary kinematic viscometers ASTM D446 for glass capillary kinematic viscometersASTM D446 standard specifications and operating instructions for glass capillary kinematic viscometers6. Calibration of Viscometers6.1 Procedures:6.1.1 Calibrate the kinematic glass capillary viscometers covered by this standard using the procedures ...