NDLI: Inductively coupled plasma chemistry examinations with visible acousto-optic tunable filter hyperspectral imaging

Content Provider	Royal Society of Chemistry (RSC)
Author	Bei, Ling Carnahan, Jon. W. Duffin, Kirk L.
Copyright Year	2004
Abstract	Inductively coupled plasma optical emission spectrometry (ICP-OES) is widely used in trace-metal analysis. However, the behavior of this hot, ionized gas and effects on analyte excitation and ionization is not fully understood. To obtain sufficient information on the characteristics of plasma, two previous approaches, Abel inversion and tomography, have been used. Major drawbacks of these approaches include complex optical and data manipulation systems, significant amounts of time required for data collection, and long-term plasma drift and flicker. Initial examinations of an approach to alleviate many of these problems are presented. A hyperspectral imaging (HSI) system using an acousto-optic tunable filter (AOTF) as a wavelength selection device and a charge coupled device (CCD) camera as a detector is described. In these studies, the behavior of a visible paratellurite AOTF is presented. Six elements that yield intense emission lines in the visible wavelength region were examined. With in-house written software, plasma image background correction was achieved in a rapid fashion. Plasma chemistry was studied while varying plasma conditions including the applied rf power, nebulizer sample carrier gas flow, and liquid sample delivery rate. Results indicate that correlations between elemental excitation and ionization energies and the enhancements on emission intensities could be clearly discerned. It is demonstrated that the AOTF-HSI system has the potential to be a powerful tool for plasma chemistry research.
Starting Page	1151
Ending Page	1157
Page Count	7
File Format	HTM / HTML PDF
ISSN	02679477
Volume Number	19
Issue Number	9
Journal	Journal of Analytical Atomic Spectrometry
DOI	10.1039/b404128c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Abel Inductively coupled plasma Inductively coupled plasma atomic emission spectroscopy Analyte Ionization Blood plasma Niels Henrik Abel Hyperspectral imaging Wavelength Charge-coupled device Gas-phase ion chemistry Nebulizer Chemistry
Content Type	Text
Resource Type	Article
Subject	Spectroscopy Analytical Chemistry

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Inductively coupled plasma chemistry examinations with visible acousto-optic tunable filter hyperspectral imaging {

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Inductively coupled plasma chemistry examinations with visible acousto-optic tunable filter hyperspectral imaging {

Real-time internal standardization for inductively coupled plasma atomic emission spectrometry using a custom segmented-array charge coupled device detector

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