Khaimraj Seepersad on sat 3 mar 01
Greetings to All ,
yesterday I was calcining [ calcinating ? ] some
SrC03 for use as Sr0 . Using a broken shard
of lowfired pottery as the container for the
teaspoon of SrC03 .
I set the test kiln to fire and answered the
telephone forgetting about the SrC03 .
When I did remember the pyrometer was
reading 1220 degc. and since my
pyrometer is always 50 deg.c off I figure
I had reached 1280 deg.c .
Immediately turning off the kiln and setting
to cool , feeling certain that I could not have
negatively affected the Sr0 , it being a
refractory oxide.
Except , that where the Sr0 had come into
contact with the body , there was a beautiful
glaze .
I have to re-do this but I am willing to bet that
a thin layer of SrC03 suspended with a little
Bentonite and applied to a body or a slip
covered body and high fired may give a
glaze . An idea and result along the lines
of the Egyptian Paste [ Soda Bicarbonate ].
Just an idea ,
Khaimraj
Barney Adams on sat 3 mar 01
I think I read some where ( I think the Hamers' Dictonary) that a strontium wash
makes a very nice glaze. I tried it and I must have applied the strontium to thick
as it sintered very badly. Glaze chemistry is a snap next to glaze application.
Barney
Khaimraj Seepersad wrote:
> Greetings to All ,
>
> yesterday I was calcining [ calcinating ? ] some
> SrC03 for use as Sr0 . Using a broken shard
> of lowfired pottery as the container for the
> teaspoon of SrC03 .
>
> I set the test kiln to fire and answered the
> telephone forgetting about the SrC03 .
> When I did remember the pyrometer was
> reading 1220 degc. and since my
> pyrometer is always 50 deg.c off I figure
> I had reached 1280 deg.c .
>
> Immediately turning off the kiln and setting
> to cool , feeling certain that I could not have
> negatively affected the Sr0 , it being a
> refractory oxide.
>
> Except , that where the Sr0 had come into
> contact with the body , there was a beautiful
> glaze .
>
> I have to re-do this but I am willing to bet that
> a thin layer of SrC03 suspended with a little
> Bentonite and applied to a body or a slip
> covered body and high fired may give a
> glaze . An idea and result along the lines
> of the Egyptian Paste [ Soda Bicarbonate ].
> Just an idea ,
> Khaimraj
>
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