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THE EFFECTS OF ADDITIONS OF ZINC OXIDE AND CADMIUM OXIDE ON SIMPLE GLASSES 1
Author(s) -
Parmelee C. W.,
Ehman R. G.
Publication year - 1930
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.1151-2916.1930.tb16305.x
Subject(s) - zinc , hydrochloric acid , cadmium , oxide , annealing (glass) , inorganic chemistry , cadmium oxide , materials science , chemistry , mineralogy , metallurgy , analytical chemistry (journal) , nuclear chemistry , chromatography
The glass consisted of the composition SiO 2 58%, PbO 22%, and Na 2 O 20%. Zinc oxide was introduced in increments of 5% up to a maximum of 20% as a substitute for equivalent parts of Na 2 O. Similar substitutions were made with cadmium oxide. The following physical properties were studied: thermal expansions, solubilities in hydrochloric acid, indices of refraction, and annealing conduct. Analyses of the glasses were made. The suitability of these glasses as vitreous enamels is discussed. A vacuum electric furnace for melting and fining glass under reduced pressures is described.