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'[EE] Kitty litter'
2008\03\16@114746 by Tony Smith

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Yes, that stuff cats pee in when your sock drawer is closed.

I was wandering thru the supermarket the other when I noticed there's a
silica gel version.  Apparently it works quite well as kitty litter, but I'm
more interested in it as dessicant (aka little bags of 'Do Not Eat').  This
stuff is crystal clear, not the brown clay stuff.

It's cheap too, 2kg for under $AU10, say $2/lb for those who haven't
progressed to metric yet.

The only odd thing was the package stated 'the water will evaporate at room
temperature, trapping the odors', but silica gel needs over 100 degree
celcius to dry out.  It probably doesn't have the pink/blue indicator
either, so big drama.  The crystals are bigger, less likely to be eaten I
suppose.

Anyone else come across this stuff?

I figure it's easy enough to set up an experiment to see how well it works,
and I'll probably do that after Easter unless someone has already tried it.
Can't find much on the web.

At the checkout I was amused to see that I and the two blokes in front all
had our credit cards out.  I would have checked the other queues but I
didn't have my clipboard or white lab coat on (James gets a bit pissy
otherwise), so I didn't.

Anyway, I got distracted by the two women behind me who unloaded about 15
kilos of drain cleaner (some 30x500g tubs) on the conveyer belt.  At around
55% strength, that's a lot of caustic soda.  Nasty stuff, it'll eat paint,
aluminium and you, or at least turn you into soap.  I'm still wondered what
on Earth they were going to do with it all.

Tony

2008\03\16@170209 by Jinx

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> Anyone else come across this stuff?

What's that water gel stuff you can get for pot plants all about ?
>
> Anyway, I got distracted by the two women behind me who
> unloaded about 15 kilos of drain cleaner (some 30x500g tubs)
>

Meth lab maybe. Did they look skanky ? (even after taking away
the Australian offset)

2008\03\16@180531 by Tony Smith

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> > Anyone else come across this stuff?
>
> What's that water gel stuff you can get for pot plants all about ?
> >
> > Anyway, I got distracted by the two women behind me who
> unloaded about
> > 15 kilos of drain cleaner (some 30x500g tubs)
> >
>
> Meth lab maybe. Did they look skanky ? (even after taking
> away the Australian offset)


I asked a couple of florists about that stuff a while back and was rewarded
with a blank look.  Gave up after that.

They didn't look too dodgy for the average Australian.  Meth lab?  Really?
What for, an all purpose, you beaut, can't be beat clean?

Tony

2008\03\16@184157 by Jake Anderson

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Tony Smith wrote:
> Yes, that stuff cats pee in when your sock drawer is closed.
>
> I was wandering thru the supermarket the other when I noticed there's a
> silica gel version.  Apparently it works quite well as kitty litter, but I'm
> more interested in it as dessicant (aka little bags of 'Do Not Eat').  This
> stuff is crystal clear, not the brown clay stuff.
>
> It's cheap too, 2kg for under $AU10, say $2/lb for those who haven't
> progressed to metric yet.
>
> The only odd thing was the package stated 'the water will evaporate at room
> temperature, trapping the odors', but silica gel needs over 100 degree
> celcius to dry out.  It probably doesn't have the pink/blue indicator
> either, so big drama.  The crystals are bigger, less likely to be eaten I
> suppose.
>  
As far as I'm aware the "do not eat" is because the pink/blue is cobalt.
So your probably being "environmentally friendly" by using stuff without
it ;->

I'm interested as silica gel is the feed stock for aerogel otherwise
I'll have to try the agar based version.

2008\03\16@192158 by William \Chops\ Westfield

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On Mar 16, 2008, at 3:41 PM, Jake Anderson wrote:

>> I was wandering thru the supermarket the other when I noticed  
>> there's a
>> silica gel version.  Apparently it works quite well as kitty  
>> litter, but I'm
>> more interested in it as dessicant (aka little bags of 'Do Not  
>> Eat').  This
>> stuff is crystal clear, not the brown clay stuff.

It appeared some years ago in the US mainland, and I immediately  
bought a bag based on enthusiasm similar to yours.  I haven't done  
anything with it yet; not even used it as kitty litter.

>> The only odd thing was the package stated 'the water will  
>> evaporate at room
>> temperature, trapping the odors', but silica gel needs over 100  
>> degree
>> celcius to dry out.

Yeah.  Normally silica gel is used to suck away atmospheric  
moisture.  I'm not sure what it will do when used to absorb liquids.  
Presumably "dry out" means some sort of equilibrium with atmospheric  
humidity that doesn't smell.

>
> I'm interested as silica gel is the feed stock for aerogel otherwise
> I'll have to try the agar based version.

You need to start with soluble silica forms to get to aerogels, as  
far as I know.  "Silica gel" (or even "fumed silica") is much too far  
along the way to a traditional solid.  Usually tetraethoxysilane,  
apparently (see <http://www.chemicalforums.com/index.php?
op=Articles;article=21>)
What is this "agar based version" you speak of?

BillW

2008\03\16@192406 by Apptech

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>> > Anyway, I got distracted by the two women behind me who
>> unloaded about
>> > 15 kilos of drain cleaner (some 30x500g tubs)
>> >
>>
>> Meth lab maybe.

Sounds highly probable given the general goings on in that
area in your area.

Sodium hydroxide is a key reagent in the process of making
Methamphetamine and other illegal drugs. Contrary to popular
media reports, it is not actually an "ingredient" in these
drugs, but simply a strong base used to manipulate the pH at
various points in a chemical synthesis.

       http://en.wikipedia.org/wiki/Sodium_hydroxide


       R

2008\03\16@192854 by Apptech

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>>> > Anyway, I got distracted by the two women behind me
>>> > who
>>> unloaded about
>>> > 15 kilos of drain cleaner (some 30x500g tubs)

>>> Meth lab maybe.

> Sounds highly probable given the general goings on in that
> area in your area.

Did they pay cash?
Did they use a "One Card" or equivalent ? :-)


       R


2008\03\16@195432 by sergio masci

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On Sun, 16 Mar 2008, William "Chops" Westfield wrote:

{Quote hidden}

for water soluble, lookup "water glass"

Regards
Sergio

2008\03\16@202303 by Jake Anderson

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>> I'm interested as silica gel is the feed stock for aerogel otherwise
>> I'll have to try the agar based version.
>>    
>
> You need to start with soluble silica forms to get to aerogels, as  
> far as I know.  "Silica gel" (or even "fumed silica") is much too far  
> along the way to a traditional solid.  Usually tetraethoxysilane,  
> apparently (see <http://www.chemicalforums.com/index.php?
> op=Articles;article=21>)
> What is this "agar based version" you speak of?
>
> BillW
>  

http://en.wikipedia.org/wiki/SEAgel

2008\03\16@202443 by Timothy J. Weber

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Apptech wrote:
>>>> Anyway, I got distracted by the two women behind me who
>>> unloaded about
>>>> 15 kilos of drain cleaner (some 30x500g tubs)
>>>>
>>> Meth lab maybe.
>
> Sounds highly probable given the general goings on in that
> area in your area.
>
> Sodium hydroxide is a key reagent in the process of making
> Methamphetamine and other illegal drugs. Contrary to popular
> media reports, it is not actually an "ingredient" in these
> drugs, but simply a strong base used to manipulate the pH at
> various points in a chemical synthesis.
>
>         http://en.wikipedia.org/wiki/Sodium_hydroxide

Also used for soapmaking... but I bet there are more people in the world
making meth at home than soap these days.
--
Timothy J. Weber
http://timothyweber.org

2008\03\16@212445 by Jinx

face picon face
> Also used for soapmaking... but I bet there are more people
> in the world making meth at home than soap these days

That would be right. The ones I see in court look like they could
do with a good wash

So what was Granny *really* up to down by the seement pond ?
Might explain Jethro

Meanwhile, back at the thread .......

http://watergelcrystals.com/

"Water Gel Crystals is great for making decorations using live
plants or candles"

Oh is they indeed

"Water gel polymer is an odorless water-absorbing polymer
(polyacrylamide)"

Not silica then

http://en.wikipedia.org/wiki/Polyacrylamide

In the cross-linked form, it is highly water-absorbent, forming a soft
gel used in such applications as polyacrylamide gel electrophoresis and
in manufacturing soft contact lenses

2008\03\16@214028 by John Gardner

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> That would be right. The ones I see in court look like they could
> do with a good wash

Spend a lot of time in court, do you, Joe?  :)

Ah, a juror no doubt - Pardon me...

Jack


On 3/16/08, Jinx <spam_OUTjoecolquittTakeThisOuTspamclear.net.nz> wrote:
{Quote hidden}

> -

2008\03\16@225222 by Jinx

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> Spend a lot of time in court, do you, Joe?  :)

And to think, once upon a time I thought suits and haircuts
were just for squares ;-))

2008\03\20@020942 by Rich Satterlee

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Hiya-

It can also be used for Aluminum anodyzing.  You can use it to remove
existing anodyzing and as a prep for the process itself.

I also use it for a strong base in a photographic paper developer.

A couple of years ago, "Red Devil" (lye) drain cleaner was popular.  

When I recently went out to get some more, I found that the product has
been taken off the market.

Fortunately, the internet provided an alternative.  The group page that
mentioned the replacement was indeed interested in home made soap making.

Now, as to the meth......

Well, I'll take your word for it.

 Cheers,

 Rich S.


{Quote hidden}

> --

2008\03\20@110112 by John Gardner

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> When I recently went out to get some more, I found that the product has
> been taken off the market.

Yes, it's quite a nuisance obtaining lye these days. Real soap is
cheap to make,
or used to be - Not any more. I suppose the next great leap forward in the meth
wars will be door to door searches for wood ash.

Jack


On 3/19/08, Rich Satterlee <.....picKILLspamspam@spam@satterlees.com> wrote:
{Quote hidden}

2008\03\20@134726 by Marcel Birthelmer

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There are still some vendors who will sell Sodium Hydroxide flakes. I have a
small jar in my kitchen cupboard for when the urge strikes me to make
delicious german lye rolls.  http://en.wikipedia.org/wiki/Lye_roll

Regards,
- Marcel

On Thu, Mar 20, 2008 at 8:01 AM, John Gardner <goflo3spamKILLspamgmail.com> wrote:

{Quote hidden}

>

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