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re; clear glaze over a barium base

updated wed 31 oct 01

 

Elca Branman on mon 29 oct 01


A friend asked me to query whether using a food safe clear glaze over a
barium based glaze will render the pot food safe.

Elca Branman.. in Sarasota,Florida,USA
elcab1@juno.com

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John Hesselberth on mon 29 oct 01


on 10/29/01 5:31 PM, Elca Branman at elcab1@JUNO.COM wrote:

> A friend asked me to query whether using a food safe clear glaze over a
> barium based glaze will render the pot food safe.
>
> Elca Branman.. in Sarasota,Florida,USA
> elcab1@juno.com

Hi Elca,

Their is no way to know without testing.

Regards,

John
Web site: http://www.frogpondpottery.com Email: john@frogpondpottery.com

"The life so short, the craft so long to learn." Chaucer's translation of
Hippocrates, 5th cent. B.C.

Ron Roy on tue 30 oct 01


Hi Elca,

I need both glazes to hazard a guess - John and I have agreed to not use
the term food safe - but rather stable or durable. What you need to know is
- will the Barium leach and, if so, how much and will the glaze change
colour in use.

Gotta know the cone as well.

RR

> A friend asked me to query whether using a food safe clear glaze over a
>barium based glaze will render the pot food safe.
>
>Elca Branman.. in Sarasota,Florida,USA
>elcab1@juno.com

Ron Roy
RR# 4
15084 Little Lake Rd..
Brighton,
Ontario, Canada
KOK 1H0
Residence 613-475-9544
Studio 613-475-3715
Fax 613-475-3513