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Updated: Jul 12, 2026

Imaging Metals in Brain Tissue by Laser Ablation - Inductively Coupled Plasma - Mass Spectrometry (LA-ICP-MS)
Published on: January 22, 2017
Analysis of arsenic and calcium in soil samples by laser ablation mass spectrometry
Ana M Beccaglia1, Carlos A Rinaldi, Juan C Ferrero
1INFIQC, Centro Laser de Ciencias Moleculares, Departamento de Físico Química, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Pabellón Argentina Ala I, 2do Piso, Ciudad Universitaria, 5000 Córdoba, Argentina.
Abstract:
We present an analytical procedure based on laser ablation mass spectrometry (LAMS) in order to detect and quantify arsenic and calcium in soil samples and we analyze the diverse factors that influence the precision of LAMS, such as laser fluence and matrix effect. The results indicate that a Zn matrix is a good choice for the analysis of those metals in soil samples. This work also provides a method for the direct determination of As in soil samples whose concentrations are lower than 100 ppm with a 70 ppm minimum detection limits (MDL).
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