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Abstract
Vaporization and excitation processes in a hollow cathode discharge have been studied here. Samples containing various lead compounds mixed with copper powder, without and with an addition of potassium halides, were analyzed. Influence of operating conditions (such as gas pressure, kind of analyzed Pb-compound and the addition of the easily ionizable element) upon the lead, copper, argon and potassium line intensities and the intensity ratio of Ar II/Ar I have been investigated. Excitation mechanisms and an importance of chemical processes have been discussed.