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ASTM D7328-07e1

Historical Revision

Standard Test Method for Determination of Existent and Potential Inorganic Sulfate and Total Inorganic Chloride in Fuel Ethanol by Ion Chromatography Using Aqueous Sample Injection

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1.1 This test method covers an ion chromatographic procedure for the determination of the total and potential inorganic sulfate and total inorganic chloride content in hydrous and anhydrous denatured ethanol to be used in motor fuel applications. It is intended for the analysis of ethanol samples containing between 0.55 and 20 mg/kg of total inorganic sulfate, 4.0 to 20 mg/kg of potential inorganic sulfate, and 0.75 to 50 mg/kg of total inorganic chloride.

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.


Sulfates and chlorides may 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.

Total and potential 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 D7328
Publication Date Jan. 1, 2007
Language en - English
Page Count 8
Revision Level 07e1
Supercedes
Committee D02.03
Publish Date Document Id Type View
March 1, 2023 D7328-23 Revision
Oct. 1, 2022 D7328-22 Revision
Oct. 1, 2017 D7328-17 Revision
Oct. 1, 2016 D7328-16 Revision
Sept. 15, 2013 D7328-13 Revision
July 1, 2011 D7328-11 Revision
Jan. 1, 2007 D7328-07E01 Revision
Jan. 1, 2007 D7328-07 Revision