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

Sandra Koch; Walter Garen; Milos Muller; Walter Neu

doi:10.1117/12.552860

2 April 2004 Detection of chromium in liquids by laser-induced breakdown spectroscopy (LIBS)

Sandra Koch, Walter Garen, Milos Muller, Walter Neu

Proceedings Volume 5399, Laser-Assisted Micro- and Nanotechnologies 2003; (2004) https://doi.org/10.1117/12.552860
Event: Laser-Assisted Micro- and Nanotechnologies 2003, 2003, St. Petersburg, Russian Federation

Abstract

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 fiber tip. The plasma emits light at characteristic chromium wavelengths. The emitted fluorescence was recorded using an optical multi-channel analyzer.

Citation Download Citation

Sandra Koch, Walter Garen, Milos Muller, and Walter Neu "Detection of chromium in liquids by laser-induced breakdown spectroscopy (LIBS)", Proc. SPIE 5399, Laser-Assisted Micro- and Nanotechnologies 2003, (2 April 2004); https://doi.org/10.1117/12.552860

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