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Volatility Studies of Lead Silicate Melts
Author(s) -
HALLSE ROBERT L.,
COOK RALPH L.
Publication year - 1958
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1958.tb12927.x
Subject(s) - volatilisation , silicate , lead oxide , volatility (finance) , glaze , crucible (geodemography) , mineralogy , metallurgy , lead (geology) , materials science , melting temperature , oxide , chemistry , geology , ceramic , composite material , computational chemistry , organic chemistry , geomorphology , economics , financial economics
The volatility of various lead silicate melts was determined by measuring the loss in weight at various temperatures from 800° to 1300° C. Platinum crucibles containing the melts were Suspended from an analytical balance into a vertical Global furnace. The crucible studies showed that the loss of lead oxide from melts could be decreased by as much as 80% when lead oxide was combined with silica in monosilicate melts and by as much as 95% when combined with silica in bisilicate melts. Comparative trials on raw lead glazes showed that most of the volatilization occurred in the early stages of glaze melting.