Duncan and Lee Bedford on sun 21 nov 99
Hi Abibi,
"Praesodymium oxide - This is a rare earth chemical used as a colourant to
produce yellows. It is more stable than vanadium and will take higher
firings. When used in frit form with zirconium and silica it will remain
stable at all temperatures."
Taken from "The Potters Complete Book of Clay and Glazes" revised edition
by James Chappell
Lee
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