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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

The Fundamental Studies and Development of the Modified See-Through Hollow Cathode Glow Discharge Cell for Atomic Emission Spectrochemical Analysis

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.6, pp.502-508








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Abstract

See-through hollow cathode glow discharge cell has been developed for the trace analysis of metal ions. The systems consists of new glow discharge cell improved the cooling system. In the case of previous type of hollow cathode glow discharge cell, it had been utilized for the trace analysis of metal ions but it had a problem that the plasma becomes unstable by air-cooled device. In this study, the modified hollow cathode glow discharge cell has been developed in order to minimize the problem associated with the air-cooled device. thus the stability of the plasma with water-cooling device has been improved and also the higher plasma temperature has been measured. The fundamental characteristics of modified systems have been investigated. And the discharge parameters, such as discharge pressure, material, and diameter of cathode, have been studied to find optimum discharge conditions.

keywords
Hollow cathode tube, Hollow cathode glow discharge optical emission spectrometer, Plasma temperature


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