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  Comparison of Mg/Ca concentration series from <i>Patella depressa</i> limpet shells using CF-LIBS and LA-ICP-MS

Martínez-Minchero, M., Cobo, A., Méndez-Vicente, A., Pisonero, J., Bordel, N., Gutiérrez-Zugasti, I., et al. (2023). Comparison of Mg/Ca concentration series from <i>Patella depressa</i> limpet shells using CF-LIBS and LA-ICP-MS. Talanta, 251: 123757. doi:10.1016/j.talanta.2022.123757.

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 Creators:
Martínez-Minchero, Marina, Author
Cobo, Adolfo, Author
Méndez-Vicente, Ana, Author
Pisonero, Jorge, Author
Bordel, Nerea, Author
Gutiérrez-Zugasti, Igor, Author
Roberts, Patrick1, Author           
Arrizabalaga, Álvaro, Author
Valdiande, José, Author
Mirapeix, Jesús, Author
López-Higuera, José Miguel, Author
García-Escárzaga, Asier1, Author           
Affiliations:
1Archaeology, Max Planck Institute for the Science of Human History, Max Planck Society, ou_2074312              

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Free keywords: CFLIBS, LA-ICP-MS, LIBS, Mg/Ca profiles, Archaeology, Mollusk shells, Paleoclimate
 Abstract: The elemental composition of marine mollusk shells can offer valuable information about environmental conditions experienced by a mollusk during its lifespan. Previous studies have shown significant correlations between Mg/Ca concentration ratios measured on biogenic carbonate of mollusk shells and sea surface temperature (SST). Here we propose the use of Laser-Induced Breakdown Spectroscopy (LIBS) and the validation of the Calibration-Free LIBS (CF-LIBS) approach for the rapid measurement and estimation of Mg/Ca molar concentration profiles within Patella depressa Pennant, 1777 limpet shells. To achieve these objectives, results derived from CF-LIBS methodology are compared with those obtained from an established analytical technique for this purpose, such as Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS). Concentration series obtained with both methodologies show defined temporal patterns and reflect the season-of-capture in each specimen. The results evidence a significant correlation (R2 = 0.63–0.81) between CF-LIBS and LA-ICP-MS Mg/Ca molar concentration profiles within four live-collected P. depressa shells. Averaged error for the molar concentration estimated with CF-LIBS was lower than 10% in every specimen. The comparison between the results obtained from two techniques used in this study has allowed us to demonstrate for the first time that Mg/Ca molar concentration measured in biogenic carbonates were accurately inferred using CF-LIBS technique. The CF-LIBS approach validation represents great potential for the rapid and large-scale paleoenvironmental and archaeological analysis of this mollusk species, which is frequently found in archaeological sites.

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Language(s): eng - English
 Dates: 2022-08-042023
 Publication Status: Published in print
 Pages: 11
 Publishing info: -
 Table of Contents: 1. Introduction
2. Materials and methods
2.1. Sample preparation
2.2. LA-ICP-MS setup and analyses
2.3. LIBS setup and measurements
2.4. CF-LIBS application
3. Results and discussion
3.1. LA-ICP-MS concentration profiles
3.2. CF-LIBS approach results
3.3. CF-LIBS and LA-ICP-MS comparison
3.4. Implications for paleoclimatology and archaeology
4. Conclusions
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/j.talanta.2022.123757
Other: shh3314
 Degree: -

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Title: Talanta
  Abbreviation : Talanta
Source Genre: Journal
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Publ. Info: Amsterdam, The Netherlands : Elsevier
Pages: - Volume / Issue: 251 Sequence Number: 123757 Start / End Page: - Identifier: ISSN: 0039-9140
CoNE: https://pure.mpg.de/cone/journals/resource/954925448759