It is not my intent to present the research on barium toxicity here, but to presentĪ course of action for replacing it in glazes. GlazesĬontaining it ought to be checked for barium leaching if they are intended to hold food or drink, or reserved for surfaces that do not come into contact with food. One of the alkaline earth carbonates, it has also been used as rat poison (large doses can be toxic to humans as well). The author tested and demonstrated barium carbonate substitutions for the following glazes:īlue Matt, Celadon, Iron-Rutile Matt, Translucent Blue, Opaque Gray-Tan MattĪlso, check out the author's explanation of Molar Versus Weight Substitution, as well as his Conclusions.īarium carbonate has long been used as an ingredient in high-fire glazes, sometimes conferring unique properties upon glazes. Pottery Making Illustrated Submission Guidelines.Pottery Making Illustrated's Print Mailing Schedule.Ceramics Monthly's Print Mailing Schedule.
Workhouse Clay International ICAN Merit Award.ICAN Making a Difference in Ceramics Award.Annual National K-12 Ceramic Exhibition Award.
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