A portable optical emission spectroscopy-cavity ringdown spectroscopy dual-mode plasma spectrometer for measurements of environmentally important trace heavy metals: Initial test with elemental Hg

A portable optical emission spectroscopy-cavity ringdown spectroscopy (OES-CRDS) dual-mode plasma spectrometer is described. A compact, low-power, atmospheric argon microwave plasma torch (MPT) is utilized as the emission source when the spectrometer is operating in the OES mode. The same MPT serves...

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Veröffentlicht in:	Review of scientific instruments 2012-09, Vol.83 (9), p.095109-095109
Hauptverfasser:	Sahay, Peeyush, Scherrer, Susan T., Wang, Chuji
Format:	Artikel
Sprache:	eng
Schlagworte:	ARGON ATOMIZATION EMISSION EMISSION SPECTROSCOPY Environmental Pollutants - analysis Equipment Design GAS FLOW HEAVY METALS INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY Mercury (metal) Mercury - analysis Metastable state METASTABLE STATES MICROWAVE RADIATION Microwaves Optical Phenomena PLASMA DIAGNOSTICS Plasma Gases - chemistry Portability PORTABLE EQUIPMENT Radiation trapping SEMICONDUCTOR LASERS SENSITIVITY SPECTROMETERS Spectroscopy Spectrum Analysis - instrumentation TRAPPING WAVELENGTHS
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