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  1. This is my first post to the forum. I am a ceramic sculpture working with exotic and sometimes controversial metals. I am also an experienced chemistry teacher with a BS in chemistry. I am well aware of the health concerns related to using lead as a glaze ingredient. I take the appropriate precautions so please save your time if you are going to lecture me about safety or try to convince me I shouldn't use the material. My work is strictly sculptural (display wall pieces) and I make the presence of toxic chemicals in my surfaces very clear to potential buyers. I am not interested in anecdotal opinions about lead use and the dangers of lead. My studio has a kiln specific for use of toxic chemicals so these concerns are also accounted for. I have a number of collected recipes for use of white lead along with successful tests. My current interest is in red lead and yellow lead chromate both of which I acquired earlier this week. Before I start my tests I wanted to see if anyone in the forum has proven results using these materials and their use in color development. Low-fire cone 08-04. Oxidation. In particular I'm looking for experience with sodium uranate oxidation color development using lead in low fire ranges. I've also heard zinc and selenium can be used along with lead for Uranium color development. I possess and am currently using sodium uranate in my glazing so safety lectures about this material can be avoided. The google searches I've done on these topics are dominated by the theme of safety and not glaze recipes, my primary interest. Thanks for the support.
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