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Investigation of HfO⁺ interference in the determination of platinum in a catalytic converter (cordierite) by inductively coupled plasma mass spectrometry

Magali Parent, Hans Vanhoe UGent, Luc Moens UGent and Richard Dams (1997) TALANTA. 44(2). p.221-230
abstract
The determination of Pt in cordierite is subject to strong interference by spectral overlap from HfO+ ions with all Pt isotopes. Two mathematical correction methods based on the HfO+Hf+ ratio and a method for the chemical separation of Hf based on adsorption chromatography and isotope dilution were investigated to correct for this interference. Flow infection was used to prevent clogging of the cone orifice. To enhance the sensitivity and thus lower the detection limit, thermospray nebulization was used for sample introduction and the method was compared with pneumatic nebulization. In addition, the memory effects were evaluated for both systems. Analysis of artificial solutions (1 ng Pt ml(-1)) yielded results within 3% of the true value. The Pt content (ca. 50 ng g(-1)) of a cordierite sample, previously exposed to exhaust gases, could be determined with precisions of about 10-25% and the results agreed with earlier determinations by other workers.
Please use this url to cite or link to this publication:
author
organization
alternative title
Investigation of HfO+ interference in the determination of platinum in a catalytic converter (cordierite) by inductively coupled plasma mass spectrometry
year
type
journalArticle (original)
publication status
published
subject
keyword
inductively coupled plasma mass spectrometry, cordierite, isotope dilution, platinum, AIRBORNE PARTICULATE MATTER, ICP-MS, FLOW-INJECTION, SAMPLE INTRODUCTION, GEOLOGICAL-MATERIALS, DISSOLVED SOLIDS, TRACE-ELEMENTS, NEBULIZATION, DESOLVATION, PALLADIUM
journal title
TALANTA
Talanta
volume
44
issue
2
pages
221 - 230
Web of Science type
Article
ISSN
0039-9140
DOI
10.1016/S0039-9140(96)02037-1
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
181798
handle
http://hdl.handle.net/1854/LU-181798
date created
2004-01-14 13:41:00
date last changed
2018-01-29 12:18:47
@article{181798,
  abstract     = {The determination of Pt in cordierite is subject to strong interference by spectral overlap from HfO+ ions with all Pt isotopes. Two mathematical correction methods based on the HfO+Hf+ ratio and a method for the chemical separation of Hf based on adsorption chromatography and isotope dilution were investigated to correct for this interference. Flow infection was used to prevent clogging of the cone orifice. To enhance the sensitivity and thus lower the detection limit, thermospray nebulization was used for sample introduction and the method was compared with pneumatic nebulization. In addition, the memory effects were evaluated for both systems. Analysis of artificial solutions (1 ng Pt ml(-1)) yielded results within 3\% of the true value. The Pt content (ca. 50 ng g(-1)) of a cordierite sample, previously exposed to exhaust gases, could be determined with precisions of about 10-25\% and the results agreed with earlier determinations by other workers.},
  author       = {Parent, Magali and Vanhoe, Hans and Moens, Luc and Dams, Richard},
  issn         = {0039-9140},
  journal      = {TALANTA},
  keyword      = {inductively coupled plasma mass spectrometry,cordierite,isotope dilution,platinum,AIRBORNE PARTICULATE MATTER,ICP-MS,FLOW-INJECTION,SAMPLE INTRODUCTION,GEOLOGICAL-MATERIALS,DISSOLVED SOLIDS,TRACE-ELEMENTS,NEBULIZATION,DESOLVATION,PALLADIUM},
  language     = {eng},
  number       = {2},
  pages        = {221--230},
  title        = {Investigation of HfO\unmatched{207a} interference in the determination of platinum in a catalytic converter (cordierite) by inductively coupled plasma mass spectrometry},
  url          = {http://dx.doi.org/10.1016/S0039-9140(96)02037-1},
  volume       = {44},
  year         = {1997},
}

Chicago
Parent, Magali, Hans Vanhoe, Luc Moens, and Richard Dams. 1997. “Investigation of HfO+ Interference in the Determination of Platinum in a Catalytic Converter (cordierite) by Inductively Coupled Plasma Mass Spectrometry.” Talanta 44 (2): 221–230.
APA
Parent, M., Vanhoe, H., Moens, L., & Dams, R. (1997). Investigation of HfO+ interference in the determination of platinum in a catalytic converter (cordierite) by inductively coupled plasma mass spectrometry. TALANTA, 44(2), 221–230.
Vancouver
1.
Parent M, Vanhoe H, Moens L, Dams R. Investigation of HfO+ interference in the determination of platinum in a catalytic converter (cordierite) by inductively coupled plasma mass spectrometry. TALANTA. 1997;44(2):221–30.
MLA
Parent, Magali, Hans Vanhoe, Luc Moens, et al. “Investigation of HfO+ Interference in the Determination of Platinum in a Catalytic Converter (cordierite) by Inductively Coupled Plasma Mass Spectrometry.” TALANTA 44.2 (1997): 221–230. Print.