Preparation and spectral characteristics of microwave-excited electrodeless discharge tubes for palladium, silver, platinum and gold

Abstract

Electrodeless discharge tubes for palladium, silver, platinum and gold are prepared from the corresponding element and chlorine at a pressure of about 3 torr of carrier gas. This method of preparation allows the ¾-wave type of cavity to be used, which results in longer tube-life and increased stability of emitted radiation. The spectral characteristics of these line sources are also examined.