Tailing of Chromatographic Peaks in GC-MS Caused by Interaction of Halogenated Solvents with the Ion Source
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Description
The injection of analytes into a gas chromatography-mass spectrometry (GC-MS) system using dichloromethane (DCM) as solvent led to gradual deterioration of chromatographic signals, with significant tailing and loss of sensitivity for C17+ hydrocarbons. The injector, gas chromatograph and transfer line were excluded as causes. Normal peak shape could only be restored by the insertion of a cleaned MS ion source. To elucidate potential surficial contaminants, the ion source was heated from 260 to...[Show more]
Collections | ANU Research Publications |
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Date published: | 2013 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/32969 |
Source: | Journal of Chromatographic Science |
DOI: | 10.1093/chromsci/bmt068 |
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File | Description | Size | Format | Image |
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01_Brocks_Tailing_of_Chromatographic_2013.pdf | 121.31 kB | Adobe PDF | Request a copy |
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