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Issue 11, 2020
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Fine-tuning of LA-ICP-QMS conditions for elemental mapping

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Abstract

For high-speed and high-resolution elemental LA-ICP-QMS mapping it is important to select the optimal operational conditions to avoid aliasing, minimize blur and maximize the signal-to-noise ratio. An earlier paper already highlighted the fundamentals involved in the selection of these conditions (J. Anal. At. Spectrom., 2019, 34, 1919); this work will fine-tune these conditions using the principle of divisors. This implies finding instrumentally selectable conditions to satisfy the anti-aliasing criterion, i.e., repetition rate × acquisition time = [Doublestruck Z]+. The mathematics involved has been unified in a simple to use app (https://laicpms-apps.ki.si/webapps/home/). The app generates a list of optimized conditions from which the user can select the optimal set, based on the requirements for single or multiple pulse LA-ICP-QMS mapping of elements in “thick” samples.

Graphical abstract: Fine-tuning of LA-ICP-QMS conditions for elemental mapping

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Supplementary files

Article information


Submitted
13 Jul 2020
Accepted
17 Aug 2020
First published
17 Aug 2020

J. Anal. At. Spectrom., 2020,35, 2494-2497
Article type
Technical Note

Fine-tuning of LA-ICP-QMS conditions for elemental mapping

J. T. van Elteren, D. Metarapi, M. Šala, V. S. Šelih and C. C. Stremtan, J. Anal. At. Spectrom., 2020, 35, 2494
DOI: 10.1039/D0JA00322K

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