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Analytical performance of a high-repetition rate laser head (500 Hz) for HR LA-ICP-QMS imaging

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Abstract

With the advent of low dispersion, fast aerosol transport technologies used in laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), the need for high-repetition rate lasers has become crucial. This work reports on the analytical performance of a LA unit with an experimental 500 Hz laser head, interfaced with a quadrupole ICP-MS instrument, and comprising a commercial two-volume ablation chamber (HelEx II) and low-dispersion aerosol transport device (ARIS). The system was tested for potential problems related to particle saturation, elemental fractionation, ionisation efficiency, etc., prior to validation as a high-resolution LA-ICP-QMS imaging tool with a high mapping rate.

Graphical abstract: Analytical performance of a high-repetition rate laser head (500 Hz) for HR LA-ICP-QMS imaging

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Article information


Submitted
10 Dec 2019
Accepted
06 Jan 2020
First published
07 Jan 2020

J. Anal. At. Spectrom., 2020, Advance Article
Article type
Technical Note

Analytical performance of a high-repetition rate laser head (500 Hz) for HR LA-ICP-QMS imaging

M. Šala, V. S. Šelih, C. C. Stremtan and J. Teun van Elteren, J. Anal. At. Spectrom., 2020, Advance Article , DOI: 10.1039/C9JA00421A

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