Kinetics of release of carbon and carbon monoxide from a graphite furnace investigated by electrothermal vaporization inductively coupled plasma mass spectrometry

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DOIResolve DOI: http://doi.org/10.1016/0584-8547(94)80087-1
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TypeArticle
Journal titleSpectrochimica Acta Part B: Atomic Spectroscopy
ISSN05848547
Volume49
IssueSeptember 10
Pages10071026; # of pages: 20
AbstractDetection of carbon-containing molecules released during the high temperature heating of a dry, unloaded HGA-type graphite furnace (GF) has been undertaken by interfacing the GF to an ICP-MS. Desorption of O2 (as CO) chemisorbed onto the GF surface can be discriminated from that produced as a result of continuous oxidation of the surface by gaseous O2 impurity. Because plasma-induced dissociation of CO is negligible, signals arising from C do not have to be deconvoluted from those of CO. To a first approximation, the formation of C and CO can be treated as independent processes. A theoretical analysis of the transient experimental signals is presented.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada
Peer reviewedNo
Identifier10274169
NRC number1239
NPARC number8899186
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Record identifier83fad9a3-49aa-4105-9b85-61eabc81a391
Record created2009-04-22
Record modified2016-05-09
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