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Proceedings Paper

Towards chromium speciation in lake-waters by microplasma-optical emission spectrometry
Author(s): Henry So; Daniel A. Cebula; Vassili Karanassios
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Paper Abstract

Due to its toxicological effects, Cr speciation (i.e., the determination of individual Cr-species concentration) continues to receive attention. This is because trivalent Cr3+ is a micronutrient essential to life, whereas hexavalent Cr6+ is carcinogenic. And, Cr in lake waters is important because there are ~5 million lakes worldwide. We are developing a method to initially determine the total Cr concentrations in lake waters using a microplasma coupled to an optical emission spectrometer. In this paper, an answer to the question “what are the Cr-species present in lake waters” will be discussed and progress towards determination of Cr-concentrations using a microplasma will be described.

Paper Details

Date Published: 3 May 2017
PDF: 10 pages
Proc. SPIE 10215, Advanced Environmental, Chemical, and Biological Sensing Technologies XIV, 102150I (3 May 2017); doi: 10.1117/12.2262955
Show Author Affiliations
Henry So, Univ. of Waterloo (Canada)
Daniel A. Cebula, Univ. of Waterloo (Canada)
Vassili Karanassios, Univ. of Waterloo (Canada)


Published in SPIE Proceedings Vol. 10215:
Advanced Environmental, Chemical, and Biological Sensing Technologies XIV
Tuan Vo-Dinh; Robert A. Lieberman, Editor(s)

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