Abstract
In a high-voltage Ne glow discharge plasma (Ne-GDP), calibration factors as well as the limit of determination were compared between atomic resonance lines and singly-ionized lines of copper and aluminium in optical emission spectrometry. These elements have intense ionic lines which are excited by resonance charge-transfer collisions of Ne ions. The ionic lines gave better detection sensitivity in the Ne-GDP, whereas the atomic resonance lines were commonly employed as analytical lines in the other plasma sources such as Ar-GDP and ICP. The limit of determination was 1.3 × 10–3 mass % for the Cu II 248.58 nm line and 1.0 × 10–3 mass % Al for the Al II 358.66 nm line at a discharge parameter of 1.60 kV/36 mA.
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Received: 22 January 1999 / Revised: 15 March 1999 / Accepted: 20 March 1999
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Wagatsuma, K. Analytical performance of high-voltage neon plasma in glow discharge optical emission spectrometry. Fresenius J Anal Chem 364, 780–782 (1999). https://doi.org/10.1007/s002160051433
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DOI: https://doi.org/10.1007/s002160051433