Electrochemical purification and GFAAS analysis of heavy metal fluoride glass

Shanci Bao, P. J. Newman, A. Voelkel, Zhiping Zhou, D. R. MacFarlane

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Abstract

An electrochemical method for the in situ purification of heavy metal fluoride melts has been developed. Several factors which influence the efficiency of purification such as electrode materials, rotation rate, temperature, deposition time and purification times have been studied. The purified glasses were analyzed using graphite furnace atomic absorption spectroscopy (GFAAS). The results show that Fe, Cu and Ni impurities in fluoride glass melts can be reduced to the level of 0.3–0.5 ppm.

Original languageEnglish
Pages (from-to)194-199
Number of pages6
JournalJournal of Non-Crystalline Solids
Volume184
DOIs
Publication statusPublished - 1 Jan 1995

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