Generation of volatile cobalt species by UV photoreduction and their tentative identification

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DOIResolve DOI: http://doi.org/10.1039/b717216h
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TypeArticle
Journal titleJournal of Analytical Atomic Spectrometry
ISSN0267-9477
Volume23
IssueApril 4
Pages583587; # of pages: 5
AbstractGeneration of volatile cobalt carbonyl was accomplished by exposing a solution of inorganic cobalt, containing low molecular weight organic acids, to UV irradiation. The gaseous products were removed from the liquid phase in a gas–liquid separator and transported to a Pyrex U-tube cryogenic trap. Following cryocondensation of the products using a dry ice–acetone bath, the U-tube was placed in a hot water bath (35–40 °C) and the trapped species were introduced to an ICP-MS for estimation of the efficiency of generation. Alternatively, the gas phase containing the Co species was sampled with a gastight syringe and injected into a GC-MS for species identification. The product, which is stable for periods in excess of 60 minutes, is tentatively identified as a carbonylated cobalt species, generated with an efficiency of 0.3–0.4%
Publication date
LanguageEnglish
AffiliationNRC Institute for National Measurement Standards; National Research Council Canada
Peer reviewedNo
Identifier10391186
NRC number4528
NPARC number8899716
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Record identifier2fe63f71-b82f-43cf-838d-b3f01a834d0f
Record created2009-04-22
Record modified2016-05-09
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