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cerium oxide

updated mon 15 oct 07

 

David Orser on fri 17 apr 98

has anyone ever heard of cerium oxide used in ceramic process??
in a bunch of old materials from a studio that was closing we
found 20 lbs. of the stuff. any ideas????

Bob Yost on sat 18 apr 98

I believe the glass and stone craftsmen use this to polish the surface.
Mix with water, have in a spray bottle and spray the buffing pad. You
can grind a ceramic piece and where you want the glaze to be glossy
again, buff it out.

SCOTT YEIP on thu 19 feb 04


Hey, all,
I am never happy with the norm, so I have been enticed by the rare earth =
elements, just like Dorthy stepping out into the technocolor world of =
Oz. I know what colors are produced by erbium. praseodymium and =
neodymium. Can anyone tell me what effect cerium oxide would have on a =
glaze. I have seen white cerium oxide offered, is it colorless, is it =
used for another reason in glaze formulation other than color?
Amy

Chris Clyburn on fri 20 feb 04


Amy,

Cerium oxide will produce yellows when combined with titanium oxide in
proportions of 3% cerium and 5% titanium. At least according to my Hamer and
Hamer.

Chris Clyburn



On Thu, 19 Feb 2004 22:07:03 -0500, SCOTT YEIP wrote:

>Hey, all,
>I am never happy with the norm, so I have been enticed by the rare earth
elements, just like Dorthy stepping out into the technocolor world of Oz. I
know what colors are produced by erbium. praseodymium and neodymium. Can
anyone tell me what effect cerium oxide would have on a glaze. I have seen
white cerium oxide offered, is it colorless, is it used for another reason
in glaze formulation other than color?
>Amy
>

Fara Shimbo on fri 20 feb 04


Hi, Amy,

I use cermium oxide (and holmium oxide) and love them both.
Cerium gives a greyed amber color in my glazes, and is an
active flux. There are some pictures here:

http://crystalline-ceramics.info/1_1mixes_bory_ox.html

of its use in crystalline glazes.

One thing to note with cerium, there are two kinds available.
CeO2 is a yellowish powder and the one I use. There's also
a white cerium oxide which I haven't tried yet. Jon Singer
can tell you more about that.

If you really want to have fun with rare earths, apart from
neodymium, the most fun you can have, I think, is holmium.
Like neodymium, it changes color in different lights; in this
case from pink to lemon yellow. It's expensive, though.

I use about 5% in my glazes.

Hang in there,

Fa

--
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Fara Shimbo, Master Crystalliere, Certified Public Nuisance
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Shimbo Pottery, PO Box 41, Hygiene, CO 80533 USA 720.272.0442
Crystalline-Ceramics.Info ShimboPottery.com Crystallieri.Org
Klysadel.Net TuranianHorse.Org
=============================================================

Ron Roy on mon 23 feb 04


Hi Amy,

Best to check on the toxicity issues before jumping down the hole - just in
case there are some aspects that you may want to decide about first.

I just read the section in Monona's book on Berylliam - I would have no
trouble saying no to that onefor instance.

RR


>I am never happy with the norm, so I have been enticed by the rare earth
>elements, just like Dorthy stepping out into the technocolor world of Oz.
>I know what colors are produced by erbium. praseodymium and neodymium.
>Can anyone tell me what effect cerium oxide would have on a glaze. I have
>seen white cerium oxide offered, is it colorless, is it used for another
>reason in glaze formulation other than color?


Ron Roy
RR#4
15084 Little Lake Road
Brighton, Ontario
Canada
K0K 1H0
Phone: 613-475-9544
Fax: 613-475-3513

Eric Suchman on fri 12 oct 07


Does anyone have any experience with Cerium oxide? Will it do
anything in a firing?
Thanks,
Eric in Oceanside

Ivor and Olive Lewis on sat 13 oct 07


Dear Eric Suchman,=20

Gem Polishing grade Cerium Oxide is known to give a strong yellow =
colour. The literature suggests that the inclusion of Titanium Dioxide =
(refined, not natural rutile) strengthens the intensity of the yellow =
though I do not know if it changes the wavelength of the hue.

Cerium Glasses adsorb UV emissions.

In low temperature glazes Cerium oxide is an opacifier

If you go in for this stuff ask for the assay as impurities are =
influential.

Best regards,

Ivor Lewis.
Redhill,
South Australia.

Timothy Joko-Veltman on sat 13 oct 07


Not from experience, but
http://ceramic-materials.com/cermat/oxide/ceo2.html says it is a
strong flux and makes yellow with TiO2. I too am interested in trying
this one out.

Regards,

Tim

On 10/12/07, Eric Suchman wrote:
> Does anyone have any experience with Cerium oxide? Will it do
> anything in a firing?
> Thanks,
> Eric in Oceanside