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Speciation of six arsenic compounds using capillary electrophoresis inductively coupled plasma mass spectrometry

Mirja Van Holderbeke, Yining Zhao, Frank Vanhaecke UGent, Luc Moens UGent, Richard Dams UGent and Patrick Sandra UGent (1999) JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY. 14(2). p.229-234
abstract
Capillary electrophoresis (CE) was used to separate four anionic {arsenite [As(III)], arsenate [As(V)], monomethylarsonic acid and dimethylarsinic acid } and two cationic forms (arsenobetaine and arsenocholine) of As in a single run. At sufficiently high concentrations, the determination of these compounds could be accomplished by means of UV detection. The determination of low concentrations (<10 mu g l(-1)) of these compounds of interest was accomplished by coupling CE on-line with inductively coupled plasma mass spectrometry (ICP-MS). To accomplish this coupling, a microconcentric nebulizer was used. The modifications necessary to make a conventional CE system compatible with ICP-MS, the optimization of the operation parameters and of sample stacking conditions together with the effect of the sheath liquid and of an induced laminar flow are discussed. The analytical figures of merit of the method were assessed and the limit of determination (based on the peak height of a peak for which the signal-to-noise ratio is 10:1) was found to be 1-2 mu g l(-1) As for each species. The recovery for the compounds of interest was determined using a spiked mineral water sample. Samples of mineral water, soil leachate and urine were analyzed with the CE-ICP-MS combination.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
ATOMIC EMISSION-SPECTROMETRY, PERFORMANCE LIQUID-CHROMATOGRAPHY, MODIFIED ELECTROOSMOTIC FLOW, HPLC-ICP-MS, ZONE-ELECTROPHORESIS, MICROCONCENTRIC NEBULIZER, ELEMENTAL SPECIATION, GENERATION, SELENIUM, INTERFERENCES
journal title
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
J. Anal. At. Spectrom.
volume
14
issue
2
pages
229 - 234
Web of Science type
Article
Web of Science id
000078695900018
ISSN
0267-9477
DOI
10.1039/A807480A
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
112416
handle
http://hdl.handle.net/1854/LU-112416
date created
2004-01-14 13:35:00
date last changed
2012-11-21 09:02:24
@article{112416,
  abstract     = {Capillary electrophoresis (CE) was used to separate four anionic \{arsenite [As(III)], arsenate [As(V)], monomethylarsonic acid and dimethylarsinic acid \} and two cationic forms (arsenobetaine and arsenocholine) of As in a single run. At sufficiently high concentrations, the determination of these compounds could be accomplished by means of UV detection. The determination of low concentrations ({\textlangle}10 mu g l(-1)) of these compounds of interest was accomplished by coupling CE on-line with inductively coupled plasma mass spectrometry (ICP-MS). To accomplish this coupling, a microconcentric nebulizer was used. The modifications necessary to make a conventional CE system compatible with ICP-MS, the optimization of the operation parameters and of sample stacking conditions together with the effect of the sheath liquid and of an induced laminar flow are discussed. The analytical figures of merit of the method were assessed and the limit of determination (based on the peak height of a peak for which the signal-to-noise ratio is 10:1) was found to be 1-2 mu g l(-1) As for each species. The recovery for the compounds of interest was determined using a spiked mineral water sample. Samples of mineral water, soil leachate and urine were analyzed with the CE-ICP-MS combination.},
  author       = {Van Holderbeke, Mirja and Zhao, Yining and Vanhaecke, Frank and Moens, Luc and Dams, Richard and Sandra, Patrick},
  issn         = {0267-9477},
  journal      = {JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY},
  keyword      = {ATOMIC EMISSION-SPECTROMETRY,PERFORMANCE LIQUID-CHROMATOGRAPHY,MODIFIED ELECTROOSMOTIC FLOW,HPLC-ICP-MS,ZONE-ELECTROPHORESIS,MICROCONCENTRIC NEBULIZER,ELEMENTAL SPECIATION,GENERATION,SELENIUM,INTERFERENCES},
  language     = {eng},
  number       = {2},
  pages        = {229--234},
  title        = {Speciation of six arsenic compounds using capillary electrophoresis inductively coupled plasma mass spectrometry},
  url          = {http://dx.doi.org/10.1039/A807480A},
  volume       = {14},
  year         = {1999},
}

Chicago
Van Holderbeke, Mirja, Yining Zhao, Frank Vanhaecke, Luc Moens, Richard Dams, and Patrick Sandra. 1999. “Speciation of Six Arsenic Compounds Using Capillary Electrophoresis Inductively Coupled Plasma Mass Spectrometry.” Journal of Analytical Atomic Spectrometry 14 (2): 229–234.
APA
Van Holderbeke, M., Zhao, Y., Vanhaecke, F., Moens, L., Dams, R., & Sandra, P. (1999). Speciation of six arsenic compounds using capillary electrophoresis inductively coupled plasma mass spectrometry. JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY, 14(2), 229–234.
Vancouver
1.
Van Holderbeke M, Zhao Y, Vanhaecke F, Moens L, Dams R, Sandra P. Speciation of six arsenic compounds using capillary electrophoresis inductively coupled plasma mass spectrometry. JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY. 1999;14(2):229–34.
MLA
Van Holderbeke, Mirja, Yining Zhao, Frank Vanhaecke, et al. “Speciation of Six Arsenic Compounds Using Capillary Electrophoresis Inductively Coupled Plasma Mass Spectrometry.” JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 14.2 (1999): 229–234. Print.