Fundamental and methodological investigations for the improvement of elemental analysis by inductively coupled plasma mass spectrometry

dc.contributor.advisor Robert S. Houk
dc.contributor.author Ebert, Christopher
dc.contributor.department Chemistry
dc.date 2018-08-11T12:52:33.000
dc.date.accessioned 2020-06-30T02:46:22Z
dc.date.available 2020-06-30T02:46:22Z
dc.date.copyright Sun Jan 01 00:00:00 UTC 2012
dc.date.embargo 2013-06-05
dc.date.issued 2012-01-01
dc.description.abstract <p>This dissertation describes a variety of studies meant to improve the analytical performance of inductively coupled plasma mass spectrometry (ICP-MS) and laser ablation (LA) ICP-MS. The emission behavior of individual droplets and LA generated particles in an ICP is studied using a high-speed, high frame rate digital camera. Phenomena are observed during the ablation of silicate glass that would cause elemental fractionation during analysis by ICP-MS. Preliminary work for ICP torch developments specifically tailored for the improvement of LA sample introduction are presented. An abnormal scarcity of metal-argon polyatomic ions (MAr+) is observed during ICP-MS analysis. Evidence shows that MAr+ ions are dissociated by collisions with background gas in a shockwave near the tip of the skimmer cone. Method development towards the improvement of LA-ICP-MS for environmental monitoring is described. A method is developed to trap small particles in a collodion matrix and analyze each particle individually by LA-ICP-MS.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/etd/12958/
dc.identifier.articleid 3965
dc.identifier.contextkey 4188312
dc.identifier.doi https://doi.org/10.31274/etd-180810-1732
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath etd/12958
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/27147
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/etd/12958/0-Video1.avi|||Fri Jan 14 19:34:06 UTC 2022
dc.source.bitstream archive/lib.dr.iastate.edu/etd/12958/1-Video2.avi|||Fri Jan 14 19:34:05 UTC 2022
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dc.source.bitstream archive/lib.dr.iastate.edu/etd/12958/Ebert_iastate_0097E_13059.pdf|||Fri Jan 14 19:34:11 UTC 2022
dc.subject.disciplines Analytical Chemistry
dc.subject.disciplines Chemistry
dc.subject.keywords Environmental analysis
dc.subject.keywords ICP-MS
dc.subject.keywords Inductively Coupled Plasma
dc.subject.keywords Laser Ablation
dc.subject.keywords Photographic Studies
dc.subject.keywords Polyatomic Ions
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dc.title Fundamental and methodological investigations for the improvement of elemental analysis by inductively coupled plasma mass spectrometry
dc.type article
dc.type.genre dissertation
dspace.entity.type Publication
relation.isOrgUnitOfPublication 42864f6e-7a3d-4be3-8b5a-0ae3c3830a11
thesis.degree.level dissertation
thesis.degree.name Doctor of Philosophy
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