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ASTM WK38739

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Work Item: ASTM WK38739 - Revision of D7319 - 11e1 Standard Test Method for Determination of Existent and Potential Sulfate and Inorganic Chloride in Fuel Ethanol by Direct Injection Suppressed Ion Chromatography


Active Standard: D7319 - 12

Developed by Subcommittee: D02.03 | Committee D02 Home | Contact Staff Manager



1. Rationale

Update method to reflect that there is no difference in the data generated based on the type of suppressor used. One change involves updating the method to include additional details and description of continuous chemical suppression in section 7.6.5.2, similar to the wording in 7.6.5.1, and secondly, the currently stated description in section 15.1, found in the Precision and Bias section of the method, is incorrect. For measuring total chloride and sulfate, both methods of suppression, tri-chambered and continuous, provided a single precision statement.


Keywords

anions; chloride; direct injection; ethanol; existent inorganic sulfate; inorganic chloride; potential sulfate; sulfate; suppressed ion chromatography; total chloride: Fuel ethanol (Ed75-Ed85); Ion chromatography (IC); Chloride analysis--petroleum products; Sulfate content; Total chloride;

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Work Item Status:
Date Initiated:08-14-2012
Technical Contact: Paul Voelker

Status: Draft Under Development

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