Thin-layer chromatographic plate scanner interfaced with a mass spectrometer

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DOIResolve DOI: http://doi.org/10.1021/ac00264a020
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TypeArticle
Journal titleAnalytical Chemistry
ISSN0003-2700
Volume55
Issue14
Pages22852289; # of pages: 5
AbstractA device which scans a 1 x 10 cm TLC plate past a source of desorption energy has been developed. This scanner is interfaced to a quadrupole mass spectrometer by means of an isolation valve and a heated transfer line inserted into the direct sample inlet port. Chemical ionization reagent gas transports the desorbed compounds into the ion source. Two sources of desorption energy have been employed, a pulsed CO2 laser and a 150-W incadescent lamp. Sensitivity depends on the compound studied and the desorption energy available, with a minimum detectable amount of about 1 ng. Quantitation can be performed by using an internal standard with a precision of about 20%. Response with silica gel places is not linear. The method is non-destructive; plates can be rescanned or subjected to other detection methods.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedYes
NRC number23227
NPARC number21274436
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Record identifier14caeaaf-de8b-4fdb-8fe9-0d7ac49138ad
Record created2015-03-13
Record modified2016-05-09
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