The use of laser-induced breakdown spectroscopy for the determination of fluorine concentration in glass ionomer cement

被引：11

作者：

Kratochvil, T. ^{[1
]}

Pouzar, M. ^{[1
]}

Novotny, K. ^{[2
]}

Havranek, V. ^{[3
]}

Cernohorsky, T. ^{[1
]}

Zvolska, M. ^{[1
]}

机构：

[1] Univ Pardubice, Inst Environm & Chem Engn, Pardubice 53210, Czech Republic

[2] Masaryk Univ, Fac Sci, Dept Chem, CS-61137 Brno, Czech Republic

[3] ASCR, Inst Nucl Phys, Vvi, Rez 25068, Czech Republic

来源：

SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY | 2013年 / 88卷

关键词：

Laser-induced breakdown spectroscopy; Fluorine; Quantitative analysis; GIC; CAPILLARY-ELECTROPHORESIS; ABSORPTION SPECTROMETRY; ION CHROMATOGRAPHY; CHLORINE; AIR; ISOTACHOPHORESIS; TOOTHPASTE; SAMPLES; WATER;

D O I：

10.1016/j.sab.2013.08.001

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The influence of He atmosphere and gate width in laser-induced breakdown spectroscopy (LIBS) determination of fluorine concentration was investigated in detail. The measurements were realized on two double pulse LIBS devices featuring different parameters. Calibration curves, describing the relationship between the fluorine concentration and the corresponding intensity of the LIBS signal, were constructed for both LIBS devices, with and without He flow, respectively. Detection limits achieved were in the range 1.18-0.47 wt.%. The best LOD value was obtained in He atmosphere. The LIBS measurement of fluorine content is influenced by different gate widths and the atmosphere in the working chamber. The proposed method was successfully applied to the determination of fluorine concentration in glass ionomer cements. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：26 / 31

页数：6

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