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Issue 7, 2011
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The effect of quadrupole ICPMS interface and ion lens design on argide formation. Implications for LA-ICPMS analysis of PGE's in geological samples

M. Guillong,*a   L. Danyushevsky,a   M. Walleb  and  M. Raveggic  
Author affiliations

* Corresponding authors

a CODES, ARC Centre of Excellence in Ore Deposits, University of Tasmania, Private Bag 79, Hobart, TAS, Australia
E-mail: marcel.guillong@utas.edu.au
Web:

b IGP, ETH Zurich, Switzerland

c School of Geosciences, Monash University, Melbourne, VIC, Australia

Abstract

The argide levels in laser ablation ICPMS were found to vary 30 times between commonly used quadrupole ICPMS, while other polyatomic interferences like oxides vary less than 3 times. Investigating important parameters revealed that the pressure between skimmer and extraction lenses is key to a low argide rate. The Agilent 7700x with a relatively high pressure due to the restricted gas flow and a small volume between skimmer and ion lenses has the lowest argide levels. The relatively high pressure allows more collisions and breaking apart of weakly bound argide ions. Apparent light PGE (ruthenium, rhodium and palladium) concentration from cobalt, nickel, copper and zinc argides was estimated to be up to 0.00025 times the metal concentration.

Graphical abstract: The effect of quadrupole ICPMS interface and ion lens design on argide formation. Implications for LA-ICPMS analysis of PGE's in geological samples

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Article information

https://doi.org/10.1039/C1JA10035A
Submitted
28 Jan 2011
Accepted
01 Mar 2011
First published
25 Mar 2011
J. Anal. At. Spectrom., 2011,26, 1401-1407
Article type
Paper
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The effect of quadrupole ICPMS interface and ion lens design on argide formation. Implications for LA-ICPMS analysis of PGE's in geological samples

M. Guillong, L. Danyushevsky, M. Walle and M. Raveggi, J. Anal. At. Spectrom., 2011, 26, 1401
DOI: 10.1039/C1JA10035A

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