magnesium oxide
" an antacid and laxative; also used as a preventative for
hypomagnesemia and as a sorbent in pharmaceutical preparations."
source:
http://medical-dictionary.thefreedictionary.com/magnesium
Same link in tiny clickable form (just in case Yahoo chops up the
above link)
http://tinyurl.com/6df88w
One more question answered. MgO can be eaten in small amounts safely.
--- In papercreters@yahoogroups.com, "slurryguy" <slurryguy@...>
wrote:
>
> Here's the Magnesium Nutrition link again... but in a tiny
clickable
> form since the Yahoo Gremlins decided to nibble on the tail end of
my
> first attempt at posting it. DAG NABIT GREMLINS!
>
> http://tinyurl.com/69zgv2
>
> --- In papercreters@yahoogroups.com, "slurryguy" <slurryguy@>
> wrote:
> >
> > Just a clarification.
> >
> > I don't know if or how much MgO would leach out of papercrete as
it
> > drains. I was not trying to imply that I knew it would leach
out.
> > That is a question I was trying to figure out through my reading
> and
> > research. I have not found anything to give me a hint to what
the
> > answer might be.
> >
> > I suspect that at least trace amounts would leach out. It could
be
> > more than trace amounts too. Whether the actual amount is
> > significant enough to affect the performance of papercrete or if
it
> > is enough to be potentially harmful to the environment is
unknown.
> > At least it's unknown to me.
> >
> > There is the possibility that someone could capture and recycle
the
> > water runoff during production to alleviate most of these
concerns
> if
> > it is found to be a problem.
> >
> > Another possibility is that paper fibers may be effective at
> > filtering the water runoff well enough that very little MgO would
> > leach out. I do not know if that would happen or not.
> >
> > I know that Magnisium is an important nutrient for humans:
> >
>
http://www.feinberg.northwestern.edu/nutrition/factsheets/magnesium.ht
> > ml
> >
> > It's good for you in small amounts, but you can get too much of a
> > good thing. The above link lists an upper recommended limit of
> > 350mg/day max for adults. TAKEN INTERNALLY.
> >
> > I'm not sure if MgO is considered similar to the nutrient form of
> > Magnesium. They may be completely different substances and act
> > differently inside the body. I also don't know how much MgO a
> > typical worker might be exposed to while handling the material.
I
> > don't think many of us go around eating our papercrete, at least
> > intentionally, though many of us have had a chunk fly up in the
> face
> > during mixing. bleaaaaaaaaaaaaah.
> >
> > The above link does seem to imply that ground Pumpkin seeds might
> be
> > an interesting papercrete additive to experiment with. They
> contain
> > a lot of magnesium. Of course, using whole seeds would be a bad
> idea
> > unless you want Pumpkin vines growing out of your blocks?
> >
> > So many questions, so few answers, but I'm learning.
> >
> >
> >
>
------------------------------------
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/papercreters/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/papercreters/join
(Yahoo! ID required)
<*> To change settings via email:
mailto:papercreters-digest@yahoogroups.com
mailto:papercreters-fullfeatured@yahoogroups.com
<*> To unsubscribe from this group, send an email to:
papercreters-unsubscribe@yahoogroups.com
<*> Your use of Yahoo! Groups is subject to:
