Journal
JOURNAL OF ANALYTICAL CHEMISTRY
Volume 59, Issue 11, Pages 1037-1041Publisher
MAIK NAUKA/INTERPERIODICA
DOI: 10.1023/B:JANC.0000047005.47648.f0
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Atmospheric glow discharges with electrolyte jet cathodes are proposed as atomization and excitation sources for atomic emission detectors for easily atomized metals in flow-injection analysis. The applicability of these sources to determining potassium, calcium, and sodium in concentration ranges of 0.01-10 mM using a semiconductor photodetector was demonstrated. It was found that the analytical signal enhanced with an increase in the temperature of the solution and a decrease in its flow rate, which was explained by the enhancement of the thermal sputtering of the electrolyte cathode.
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