John Rodgers on mon 18 oct 10
Since we as potters work wih some materials that have manganese in
them, I felt this to be of at least general interest.
http://articles.mercola.com/sites/articles/archive/2010/10/18/manganese-can=
-adversely-affect-childrens-intelligence.aspx
*http://tinyurl.com/29zows8*
--
John Rodgers
Clayartist and Moldmaker
88'GL VW Bus Driver
Chelsea, AL
Http://www.moldhaus.com
John Rodgers on mon 18 oct 10
John Rodgers
Clayartist and Moldmaker
88'GL VW Bus Driver
Chelsea, AL
Http://www.moldhaus.com
On 10/18/2010 1:52 PM, Vince Pitelka wrote:
> general interest
Like I said.
Regards,
John
Vince Pitelka on mon 18 oct 10
John Rodgers wrote:
"Since we as potters work wih some materials that have manganese in them, I
felt this to be of at least general interest."
http://articles.mercola.com/sites/articles/archive/2010/10/18/manganese-can=
-
adversely-affect-childrens-intelligence.aspx
John -
While everyone certainly needs to know of the danger of soluble manganese
compounds, they are not normally encountered in the clay studio. Manganese
dioxide is not soluble in water, and there is no risk from skin contact. Th=
e
primary danger from manganese dioxide in the clay studio is in the fumes
produced when firing high-manganese clays or glazes, and as long as the kil=
n
fumes are properly vented, there is no danger.
The article points out that some manganese exists in drinking water and
soils all over the world, and the problem is only in very limited areas
where the concentration is especially high. In that case it is indeed a
very serious situation for the people who have been affected, but this
article really has nothing to do with studio ceramics. There seem to be a
lot of people in studio clay who are excessively paranoid about any
perceived toxic scare, and I would much rather see us focus on the real
dangers.
- Vince
Vince Pitelka
Appalachian Center for Craft
Tennessee Tech University
vpitelka@dtccom.net; wpitelka@tntech.edu
http://iweb.tntech.edu/wpitelka
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