1990
DOI: 10.1021/ac00205a009
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Long path atomic/ionic absorption spectrometry in an inductively coupled plasma

Abstract: A novel approach was taken to increase the atomic/ionic absorption path length in an inductively coupled plasma (ICP) by using a water-cooled quartz "T-shaped" bonnet. Atomic and ionic absorption spectrometry was performed utilizing a continuum source and line sources. Absorption spectra of synthetic multielement solutions were collected with a photodiode array. Sample introduction into the ICP was accomplished with an ultrasonic nebulizer. To prevent the bonnet from cracking, low radio frequency powers were u… Show more

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Cited by 14 publications
(2 citation statements)
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“…Therefore, subsequent research on ICP-AAS has mainly focused on fundamental studies and plasma diagnostics. [8][9][10] Although cavity ring-down spectroscopy (CRDS) has rapidly gained popularity in the molecular spectroscopy community, there are few reports exploring atomic absorption with CRDS. [11][12][13][14] So far, the only published papers used an inductively coupled plasma as an atomization cell for CRDS measurement.…”
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confidence: 99%
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“…Therefore, subsequent research on ICP-AAS has mainly focused on fundamental studies and plasma diagnostics. [8][9][10] Although cavity ring-down spectroscopy (CRDS) has rapidly gained popularity in the molecular spectroscopy community, there are few reports exploring atomic absorption with CRDS. [11][12][13][14] So far, the only published papers used an inductively coupled plasma as an atomization cell for CRDS measurement.…”
mentioning
confidence: 99%
“…The following reasons were identified: (1) the high plasma gas flow rate required for maintaining the ICP dilutes the concentration of analyte atoms, resulting in a short residence time of analyte in the plasma; (2) the absorption path length in an ICP is relatively short and thus is not beneficial for AAS measurement; and (3) the high temperatures in the ICP source favor the production of excited and ionized species while AAS needs ground-level populations. Therefore, subsequent research on ICP-AAS has mainly focused on fundamental studies and plasma diagnostics. …”
mentioning
confidence: 99%