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ASTM D 7796 : 2012

ASTM D 7796 : 2012

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Standard Test Method for Analysis of Ethyl tert-Butyl Ether (ETBE) by Gas Chromatography

Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Superseded by

ASTM D 7796 : 2017

Language(s)

English

Published date

15-05-2012

Publisher

American Society for Testing and Materials

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Hardcopy - English
PDF - English
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Committee
D 02
DocumentType
Test Method
Pages
6
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

1.1This test method covers the determination of the purity of ethyl tert-butyl ether (ETBE) by gas chromatography. It also provides a procedure to measure impurities in ETBE such as C4 to C12 olefins, methyl, isopropyl and tert-butyl alcohols, methyl sec-butyl and methyl tert-amyl ethers, acetone, and methyl ethyl ketone.

1.2This test method is not applicable to the determination of ETBE in gasoline.

1.3Water cannot be determined by this test method and shall be measured by a procedure such as Test Method D6304 and the result used to normalize the chromatographic values.

1.4Most of the impurities in ETBE are resolved by the test method, however, some co-elution is encountered.

1.5This test method is inappropriate for impurities that boil at temperatures higher than 180°C or for impurities that cause poor or no response in a flame ionization detector, such as water.

1.6The values stated in SI units of measurement are preferred and used throughout the standard. Alternate units, in common usage, are also provided to improve clarity and aid the user of this test methods.

1.7This 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.

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