Porcelain teapot

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Post by NaomiM Tue Jan 26, 2016 9:55 pm

Small teapot, 3.5" dia, with butterflies and ivy decoration. I think it's porcelain, or at least a white stoneware.
Inscribed on the base 1149 + Antemony 30
Appears to be a test piece.


Porcelain teapot  Image316 Porcelain teapot  Image317

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Post by studio-pots Wed Jan 27, 2016 2:41 am

It is porcelain and I suspect a glaze test. Antimony oxide is an opacifier in low fire glazes and porcelain enamels. It would have been responsible for the yellow colour but isn't very stable at high temperatures and so is not used widely.

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Post by NaomiM Wed Jan 27, 2016 5:27 am

Excellent

Now I just need to find out Who's glaze test Happy

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Post by studio-pots Wed Jan 27, 2016 9:22 am

Next time you are at one of the big ceramic events ask all the potters that use porcelain to spell Antimony and see which ones use E instead of I. Simple Shrugs

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Post by NaomiM Wed Jan 27, 2016 9:30 am

Excellent

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Post by denbydump Wed Jan 27, 2016 11:03 am

studio-pots wrote:Next time you are at one of the big ceramic events ask all the potters that use porcelain to spell Antimony and see which ones use E instead of I. Simple Shrugs

If they are still alive!

http://www.lenntech.com/periodic/elements/sb.htm
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Post by dantheman Wed Jan 27, 2016 9:24 pm

Big Shock

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