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Improvement of the sensitivity for the measurement of copper concentrations in soil by microwave-assisted laser-induced breakdown spectroscopy

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Date

2012

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Abstract

This study shows a 23-fold improvement of the sensitivity in the determination of copper in soil samples when using Microwave-Assisted Laser-Induced Breakdown Spectroscopy (MA-LIBS) compared with our conventional LIBS. This comparison between MA-LIBS and LIBS was performed with identical ablation conditions and detection geometry. The signal enhancement obtained with MA-LIBS allowed for the detection of spectral lines related to concentration values as low as 30 mg kg - 1 for copper and 23.3 mg kg - 1 for silver, which were not detected by LIBS.

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Keywords

Copper, LIBS, Microwave-assisted LIBS, Sensitivity, Soil

Citation

URI

https://dspace-test.anu.edu.au/handle/1885/733744642

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DevOps Pure Testing

Source

Spectrochimica Acta - Part B Atomic Spectroscopy

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Article

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DOI

10.1016/j.sab.2012.06.041

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