ASTM-D7059 › Historical Revision Information
Standard Test Method for Determination of Methanol in Crude Oils by Multidimensional Gas Chromatography
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Scope
1.1 This test method covers the determination of methanol in crude oils by direct injection multidimensional gas chromatography in the concentration range of 15 to 900 ppm (m/m). The pooled limit of quantification (PLOQ) is 15 ppm (m/m).
1.2 This test method is applicable only to crude oils containing less than or equal to 0.1 % (v/v) water.
1.3 This test method has not been tested with crude oil samples that are solid or waxy, or both, at ambient temperatures.
1.4 The values stated in SI units are to be regarded as standard. Alternate units, in common usage, are also provided to increase clarity and aid the users of this test method.
1.5 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.
Significance and Use
Methanol is used in production of crude oil to prevent formation of gas hydrates. The presence of residual methanol in crude oils can lead to costly problems in refinery operations.
Keywords
alcohols; crude oils; gas chromatography; methanol; multidimensional gas chromatography; ICS Number Code 75.040 (Crude petroleum)
To find similar documents by ASTM Volume:
05.03 (Petroleum Products and Lubricants (III): D6138 - D6971)
05.04 (Petroleum Products and Lubricants (IV): D6973 - latest)
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Document Number
ASTM-D7059-04e1
Revision Level
2004(E1) EDITION
Status
Superseded
Modification Type
Editorially changed
Publication Date
Oct. 1, 2004
Document Type
Test Method
Page Count
15 pages
Committee Number
D02.04.0L