iandol on sat 16 feb 02
Dear Mariko,
The Di-Valent Cobalt Ion is stable at high temperatures but the =
Tri-Valiant Ion is unstable. Co3O4 decomposes to CoO at 895 deg Celsius. =
If it were possible to get Co+++ in a glaze it might give a bright red. =
This might be possible with some low temp enamels formulations.
I have had recent mail to you returned saying your url has permanent =
fatal errors. Please mail me your url. If you have not received =
massages I have not been ignoring your requests
Best regards,
Ivor
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