Abstract

Different high-frequency generators have been studied in the 5 to 56 MHz range in order to observe the influence of frequency on spectral characteristics of inductively coupled plasmas used in emission spectroscopy. Higher frequencies tended to yield decreased excitation temperatures and electron number densities and therefore decreased line and background continuum intensities. Signal-to-noise ratios were improved ranging from 1 to 8 MHz going from 27 to 56 MHz with similar improvements in detection limits. Precision, working curve linearity, chemical interferences, and the ability to atomize high salt concentration samples were unaffected by frequency.

Propagation characteristics of terahertz wave in inductively coupled plasma

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Opt. Express 29(22) 35837-35847 (2021)

Quantitative analysis of Fuller’s earth using laser-induced breakdown spectroscopy and inductively coupled plasma/optical emission spectroscopy

I. Rehan, M. Z. Khan, K. Rehan, S. Sultana, M. U. Rehman, R. Muhammad, M. Ikram, and H. Anwar
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Multielemental analysis of prehistoric animal teeth by laser-induced breakdown spectroscopy and laser ablation inductively coupled plasma mass spectrometry

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Appl. Opt. 49(13) C191-C199 (2010)

Spectral characteristics of coupled resonators

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J. Opt. Soc. Am. B 23(6) 1137-1145 (2006)