Preprints
https://doi.org/10.5194/gchron-2021-37
https://doi.org/10.5194/gchron-2021-37
 
23 Dec 2021
23 Dec 2021
Status: a revised version of this preprint is currently under review for the journal GChron.

Short communication: On the potential use of materials with heterogeneously distributed parent and daughter isotopes as primary standards for non-U-Pb geochronological applications of laser ablation inductively coupled mass spectrometry (LA-ICP-MS)

Daniil Popov Daniil Popov
  • School of Environment, Earth and Ecosystem Sciences, The Open University, Walton Hall, Milton Keynes MK7 6AA, UK

Abstract. Many new geochronological applications of laser ablation inductively coupled mass spectrometry (LA-ICP-MS) have been proposed in recent years. One of the problems associated with this rapid growth is the lack of chemically and isotopically homogeneous matrix-matched primary standards to control elemental fractionation during LA-ICP-MS analysis. In U-Pb geochronological applications of LA-ICP-MS this problem is often addressed by utilising matrix-matched primary standards with variable chemical and isotopic compositions. Here I derive a set of equations to adopt this approach for non-U-Pb geochronological applications of LA-ICP-MS.

Daniil Popov

Status: final response (author comments only)

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on gchron-2021-37', Anonymous Referee #1, 07 Jan 2022
    • AC2: 'Reply on RC1', Daniil Popov, 10 Feb 2022
  • RC2: 'Comment on gchron-2021-37', Pieter Vermeesch, 07 Jan 2022
    • AC1: 'Reply on RC2', Daniil Popov, 20 Jan 2022

Daniil Popov

Daniil Popov

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Short summary
This work provides equations to use minerals with variable concentrations of parent and daughter isotopes as primary standards to correct for elemental fractionation during the analysis by laser ablation inductively coupled mass spectrometry.