A real-time fiber-optic LIBS probe for the in situ delineation of metals in soils

被引：2
|
作者：
Theriault, GA [1 ]
Bodensteiner, S [1 ]
Lieberman, SH [1 ]
机构：
[1] Space & Naval Warfare Syst Ctr, San Diego, CA 92152 USA
来源：
FIELD ANALYTICAL CHEMISTRY AND TECHNOLOGY | 1998年 / 2卷 / 02期
关键词：
LIBS; laser spectroscopy; in situ spectroscopy; SCAPS; metals; laser spark;
D O I：
10.1002/(SICI)1520-6521(1998)2:2<117::AID-FACT8>3.3.CO;2-L
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Detection-limit determination and field-deployment results for the SCAPS fiber-optic laser-induced breakdown spectroscopy (LIBS) cone penetrometer probe are presented. Probe design and issues concerning sample presentation and in situ matrix effects are also addressed. It was observed that a design in which measurements are made by a scanning optical system through a sapphire window in the probe produces detection limits that are at or below the EPA's site screening levels (SSLs) for Pb, Cd, and Cr in sand. (C) 1998 John Wiley & Sons, Inc.
引用
收藏
页码：117 / 125
页数：9
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