Quantitative analysis of trace metal ions in ice using laser-induced breakdown spectroscopy

被引:125
作者
Cáceres, JO [1 ]
López, JT [1 ]
Telle, HH [1 ]
Ureña, AG [1 ]
机构
[1] Univ Complutense Madrid, Unidad Lasers & Haces Mol, Inst Pluridisciplinar, Madrid 28040, Spain
关键词
trace metal analysis; liquid analysis; laser breakdown spectroscopy;
D O I
10.1016/S0584-8547(01)00173-2
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
This work reports on a simple, quick-freeze method for the quantitative analysis of trace metal ions in liquids applying the laser-induced breakdown spectroscopy (LIBS) technique. Using this procedure with calibrated samples, well-characterized linear working curves were determined for Na and Al water solutions over the 0.01-1% concentration range. This allowed detection limits of the order of ppm. In addition, optimum experimental conditions were found that allow the analysis to be carried out in a fast and very easy manner, without the limitations and difficulties found with liquid samples. The advantages of this simple and direct method, developed and patented by the Instituto Pluridisciplinar-UCM, are discussed, and potential applications for industrial analysis are also suggested. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:831 / 838
页数:8
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