Oxygen in the high-temperature graphite furnace

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DOIResolve DOI: http://doi.org/10.1016/0584-8547(84)80029-4
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Journal titleSpectrochimica Acta. Part B, Atomic Spectroscopy
Pages213224; # of pages: 12
AbstractPhotometric measurements of the partial pressure of oxygen in the graphite furnace have been made utilizing a sensitive and selective chemiluminescent reaction with phosphorus vapor. Oxygen is present many orders of magnitude in excess of equilibrium pressures expected from a consideration of the reaction: 2C + O2 → 2CO. Reactivity of the graphite substrate is the prime mediator in controlling the partial pressure of oxygen. An equally efficient scavenging of oxygen in a tantalum tube furnace was also noted. The implications of these observations for the interpretation of atomization mechanisms are discussed.
Publication date
AffiliationNational Research Council Canada
Peer reviewedNo
NRC number1223
NPARC number8899599
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Record identifier3af9b91d-428f-4255-ac94-e4244aec3f21
Record created2009-04-22
Record modified2016-05-09
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