Determination of Ca and Mg in aqueous solution by laser-induced breakdown spectroscopy using absorbent paper substrates

Laser-induced breakdown spectroscopy has been performed to detect trace metal elements (Ca and Mg) in aqueous solution. In order to overcome the sensitivity drawbacks in liquid sample analysis, an absorbent paper was used as the sample support in this experiment. Calibration curves were constructed...

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Veröffentlicht in:Applied Optics 2011-10, Vol.50 (29), p.5695-5699
Hauptverfasser: Zhu, Dehua, Wu, Lizhi, Wang, Bin, Chen, Jianping, Lu, Jian, Ni, Xiaowu
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container_issue 29
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creator Zhu, Dehua
Wu, Lizhi
Wang, Bin
Chen, Jianping
Lu, Jian
Ni, Xiaowu
description Laser-induced breakdown spectroscopy has been performed to detect trace metal elements (Ca and Mg) in aqueous solution. In order to overcome the sensitivity drawbacks in liquid sample analysis, an absorbent paper was used as the sample support in this experiment. Calibration curves were constructed by using the standard solution with variable concentration and the limit of detection was estimated for each element. Finally this system was used to analyze three types of water samples collected from different locations in Nanjing, China and the results were compared with inductively coupled plasma atomic emission spectroscopy and showed good correlation.
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subjects ABSORBENTS
AQUEOUS SOLUTIONS
ATOMIC AND MOLECULAR PHYSICS
BREAKDOWN
CALCIUM
CALIBRATION
CORRELATIONS
DETECTION
EMISSION SPECTROSCOPY
LASER RADIATION
MAGNESIUM
METALS
PLASMA
SENSITIVITY
SUBSTRATES
WATER
title Determination of Ca and Mg in aqueous solution by laser-induced breakdown spectroscopy using absorbent paper substrates
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