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ASTM International - ASTM D7318-13

Standard Test Method for Existent Inorganic Sulfate in Ethanol by Potentiometric Titration

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Organization: ASTM International
Publication Date: 15 June 2013
Status: inactive
Page Count: 6
ICS Code (Chemical analysis): 71.040.40
ICS Code (Liquid fuels): 75.160.20
significance And Use:

5.1  Ethanol is used as a blending agent added to gasoline. Sulfates are indicated in filter plugging deposits and fuel injector deposits. When fuel ethanol is burned, sulfates may contribute to... View More

scope:

1.1 This test method covers a potentiometric titration procedure for determining the existent inorganic sulfate content of hydrous, anhydrous ethanol, and anhydrous denatured ethanol, which is added as a blending agent with spark ignition fuels. It is intended for the analysis of denatured ethanol samples containing between 1.0-20 mg/kg existent inorganic sulfate.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Material Safety Data Sheets are available for reagents and materials. Review them for hazards prior to usage.

Document History

February 14, 2019
Standard Test Method for Existent Inorganic Sulfate in Ethanol by Potentiometric Titration
1.1 This test method covers a potentiometric titration procedure for determining the existent inorganic sulfate content of hydrous, anhydrous ethanol, and anhydrous denatured ethanol, which is added...
February 14, 2019
Standard Test Method for Existent Inorganic Sulfate in Ethanol by Potentiometric Titration
1.1 This test method covers a potentiometric titration procedure for determining the existent inorganic sulfate content of hydrous, anhydrous ethanol, and anhydrous denatured ethanol, which is added...
October 1, 2018
Standard Test Method for Existent Inorganic Sulfate in Ethanol by Potentiometric Titration
1.1 This test method covers a potentiometric titration procedure for determining the existent inorganic sulfate content of hydrous, anhydrous ethanol, and anhydrous denatured ethanol, which is added...
ASTM D7318-13
June 15, 2013
Standard Test Method for Existent Inorganic Sulfate in Ethanol by Potentiometric Titration
1.1 This test method covers a potentiometric titration procedure for determining the existent inorganic sulfate content of hydrous, anhydrous ethanol, and anhydrous denatured ethanol, which is added...
July 1, 2011
Standard Test Method for Existent Inorganic Sulfate in Ethanol by Potentiometric Titration
1.1 This test method covers a potentiometric titration procedure for determining the existent inorganic sulfate content of hydrous, anhydrous ethanol, and anhydrous denatured ethanol, which is added...
February 1, 2007
Standard Test Method for Total Inorganic Sulfate in Ethanol by Potentiometric Titration
1.1 This test method covers a potentiometric titration procedure for determining the total inorganic sulfate content of hydrous, anhydrous ethanol, and anhydrous denatured ethanol, which is added as...
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