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The use of dynamic reaction cell ICP mass spectrometry to facilitate Rb-Sr age determination

Frank Vanhaecke UGent, Günther De Wannemacker, Lieve Balcaen UGent and Luc Moens UGent (2003) Geological Society Special Publication. 220. p.173-181
abstract
By using a set of granitic whole rock samples, originating from the Regensburg Forest (Germany) and dated (approximately 350 Ma old) previously by means of thermal ionization mass spectrometry (TIMS), the capability of dynamic reaction cell (DRC) inductively coupled plasma mass spectrometry (ICPMS) for Rb-Sr age determination was demonstrated. With DRC-ICPMS, chemical separation of Sr from Rb during the sample pretreatment is no longer required as interference-free determination of the (87)Sr/(86)Sr isotope ratio can be accomplished by monitoring the signals of the SrF(+) adduct ions, formed as a result of the selective reaction between the Sr(+) ions extracted from the ICP and the reaction as CH(3)F. The mass discrimination was established to depend strongly on the matrix composition. This drawback could be overcome by using the United States Geological Survey reference material G-2 as an external standard. Results obtained by DRC-ICPMS (age and initial (87)Sr/(86)Sr ratio) showed an excellent agreement with both (a) experimental values obtained by means of quadrupole-based and sector field ICPMS after isolation of Sr via cation exchange chromatography and (b) TIMS literature values. In addition, DRC-ICPMS offers a smaller combined uncertainty on the isotope ratio results as a result of (a) an improved internal isotope ratio precision (< 0.1% RSD when also using Ne as an additional non-reactive collision gas) and (b) the fact that, in contrast to quadrupole-based and sector field ICPMS, no correction for the remaining overlap between the signals of 87 Sr+ and (87)Rb(+) is required.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
MS, ISOTOPE RATIO MEASUREMENTS, INTERFERENCES, PRECISION, STRONTIUM, ROCKS
in
Geological Society Special Publication
editor
D Vance, W Müller and IM Villa
volume
220
issue title
Geochronology : linking the isotopic record with petrology and textures
pages
173 - 181
publisher
Geological Society Publishing House
place of publication
Bath, UK
conference name
12th Annual V M Goldschmidt Conference
conference location
Davos, Switzerland
conference start
2002-08-18
conference end
2002-08-23
Web of Science type
Article
Web of Science id
000235995600010
ISSN
0305-8719
ISBN
9781862391468
DOI
10.1144/GSL.SP.2003.220.01.10
language
English
UGent publication?
yes
classification
P1
id
405863
handle
http://hdl.handle.net/1854/LU-405863
date created
2008-05-14 16:22:00
date last changed
2012-11-14 16:41:32
@inproceedings{405863,
  abstract     = {By using a set of granitic whole rock samples, originating from the Regensburg Forest (Germany) and dated (approximately 350 Ma old) previously by means of thermal ionization mass spectrometry (TIMS), the capability of dynamic reaction cell (DRC) inductively coupled plasma mass spectrometry (ICPMS) for Rb-Sr age determination was demonstrated. With DRC-ICPMS, chemical separation of Sr from Rb during the sample pretreatment is no longer required as interference-free determination of the (87)Sr/(86)Sr isotope ratio can be accomplished by monitoring the signals of the SrF(+) adduct ions, formed as a result of the selective reaction between the Sr(+) ions extracted from the ICP and the reaction as CH(3)F. The mass discrimination was established to depend strongly on the matrix composition. This drawback could be overcome by using the United States Geological Survey reference material G-2 as an external standard. Results obtained by DRC-ICPMS (age and initial (87)Sr/(86)Sr ratio) showed an excellent agreement with both (a) experimental values obtained by means of quadrupole-based and sector field ICPMS after isolation of Sr via cation exchange chromatography and (b) TIMS literature values. In addition, DRC-ICPMS offers a smaller combined uncertainty on the isotope ratio results as a result of (a) an improved internal isotope ratio precision ({\textlangle} 0.1\% RSD when also using Ne as an additional non-reactive collision gas) and (b) the fact that, in contrast to quadrupole-based and sector field ICPMS, no correction for the remaining overlap between the signals of 87 Sr+ and (87)Rb(+) is required.},
  author       = {Vanhaecke, Frank and De Wannemacker, G{\"u}nther and Balcaen, Lieve and Moens, Luc},
  booktitle    = {Geological Society Special Publication},
  editor       = {Vance, D and M{\"u}ller, W and Villa, IM},
  isbn         = {9781862391468},
  issn         = {0305-8719},
  keyword      = {MS,ISOTOPE RATIO MEASUREMENTS,INTERFERENCES,PRECISION,STRONTIUM,ROCKS},
  language     = {eng},
  location     = {Davos, Switzerland},
  pages        = {173--181},
  publisher    = {Geological Society Publishing House},
  title        = {The use of dynamic reaction cell ICP mass spectrometry to facilitate Rb-Sr age determination},
  url          = {http://dx.doi.org/10.1144/GSL.SP.2003.220.01.10},
  volume       = {220},
  year         = {2003},
}

Chicago
Vanhaecke, Frank, Günther De Wannemacker, Lieve Balcaen, and Luc Moens. 2003. “The Use of Dynamic Reaction Cell ICP Mass Spectrometry to Facilitate Rb-Sr Age Determination.” In Geological Society Special Publication, ed. D Vance, W Müller, and IM Villa, 220:173–181. Bath, UK: Geological Society Publishing House.
APA
Vanhaecke, Frank, De Wannemacker, G., Balcaen, L., & Moens, L. (2003). The use of dynamic reaction cell ICP mass spectrometry to facilitate Rb-Sr age determination. In D. Vance, W. Müller, & I. Villa (Eds.), Geological Society Special Publication (Vol. 220, pp. 173–181). Presented at the 12th Annual V M Goldschmidt Conference, Bath, UK: Geological Society Publishing House.
Vancouver
1.
Vanhaecke F, De Wannemacker G, Balcaen L, Moens L. The use of dynamic reaction cell ICP mass spectrometry to facilitate Rb-Sr age determination. In: Vance D, Müller W, Villa I, editors. Geological Society Special Publication. Bath, UK: Geological Society Publishing House; 2003. p. 173–81.
MLA
Vanhaecke, Frank, Günther De Wannemacker, Lieve Balcaen, et al. “The Use of Dynamic Reaction Cell ICP Mass Spectrometry to Facilitate Rb-Sr Age Determination.” Geological Society Special Publication. Ed. D Vance, W Müller, & IM Villa. Vol. 220. Bath, UK: Geological Society Publishing House, 2003. 173–181. Print.