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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

journal contribution
posted on 2023-05-17, 09:35 authored by Guillong, M, Leonid Danyushevsky, Walle, M, Raveggi, M
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.

History

Publication title

Journal of Analytical Atomic Spectrometry

Volume

26

Issue

7

Pagination

1401-1407

ISSN

1364-5544

Department/School

School of Natural Sciences

Publisher

The Royal Society of Chemistry

Place of publication

London, UK

Rights statement

Copyright 2011 Royal Society of Chemistry

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the earth sciences

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