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ASTM D7319-13

Historical Revision

Standard Test Method for Determination of Existent and Potential Sulfate and Inorganic Chloride in Fuel Ethanol and Butanol by Direct Injection Suppressed Ion Chromatography

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1.1 This test method covers a direct injection ion chromatographic procedure for determining existent and potential inorganic sulfate and total inorganic chloride content in hydrous and anhydrous denatured ethanol and butanol to be used in motor fuel applications. It is intended for the analysis of ethanol and butanol samples containing between 1.0 to 20 mg/kg of existent or potential inorganic sulfate and 1.0 to 50 mg/kg of inorganic chloride.

Note 1Tertiary butanol is not included in this test method. 1-butanol, 2-butanol, and isobutanol are included in the testing and research report for this test method.

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.


5.1 Sulfates and chlorides can be found in filter plugging deposits and fuel injector deposits. The acceptability for use of the fuel components and the finished fuels depends on the sulfate and chloride content.

5.2 Existent and potential inorganic sulfate and total chloride content, as measured by this test method, can be used as one measure of the acceptability of gasoline components for automotive spark-ignition engine fuel use.

SDO ASTM: ASTM International
Document Number D7319
Publication Date May 1, 2013
Language en - English
Page Count 9
Revision Level 13
Supercedes
Committee D02.03
Publish Date Document Id Type View
Oct. 1, 2022 D7319-22 Revision
Oct. 1, 2017 D7319-17 Revision
May 1, 2013 D7319-13 Revision
Dec. 1, 2012 D7319-12 Revision
July 1, 2011 D7319-11E01 Revision
July 1, 2011 D7319-11 Revision
Nov. 1, 2009 D7319-09 Revision
Feb. 1, 2007 D7319-07 Revision