Detection of chromium in liquids by laser induced breakdown spectroscopy (LIBS)

被引：1
|
作者：
Koch, S [1 ]
Garen, W [1 ]
Müller, M [1 ]
Neu, W [1 ]
机构：
[1] Univ Appl Sci, Fachhsch Oldenburg Ostfriesland Wilhelmshaven, Dept Nat Sci Photon, Fac Technol, D-26723 Emden, Germany
来源：
LASER-ASSISTED MICRO- AND NANOTECHNOLOGIES 2003 | 2004年 / 5399卷
关键词：
fluorescence spectroscopy; LIBS; Nd : YAG; chromium; cavitation bubble;
D O I：
10.1117/12.552860
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Environmental science is concerned about the content of dissolved heavy metals in coastal tidal waters. Fluorescence spectroscopy methods do offer a chance for the detection of dissolved chromium. Due to strong quenching processes in liquids, optical emission spectroscopy often lacks sensitivity. In this study we intended to use subsequent Nd:YAG Q-switched laser pulses to create a plasma directly in front of an optical fibre tip. The plasma emits light at characteristic chromium wavelengths. The emitted fluorescence was recorded using an optical multi-channel analyzer.
引用
收藏
页码：253 / 259
页数：7
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