Should I do a Gary: "Zzzzzzzzz, look what the cats drug in!
Nawwww, I'll just get myself in trouble again with another feeble
attempt to be helpful. Laughlin has it RIGHT. I buy circa 5 - 10
pound pristine quality superduper reagent grade on eBay for less than
$20. Designed for use in analytical chromatography columns, this is
about as close to pure and dust free as you can get. I then pour "a
most scientific" quantity into a cotton or polyester sock (non-wool),
tie a knot in the open end of the sock and throw it in with my lenses.
Every so often, I throw the sock and all into a microwave for a few
minutes till the steam can be seen rising through the window
(scientific thermometer reading). I blow (heat turned to just warm)
with a hair dryer or, if too lazy to get it out just swing in a circle
for a minute or so, to cool then back to the Z box.
I was given a HARD time about this 8- O earlier, but it works. As for
those concerned with 'dust', know that reagent grade and the sock are
vastly better insurance than the flimsy and expensive packets. Also,
for those non-believers, you can certify via Google that microwave
heating is a valid method for drying silica gel. (Suspect you could
never use your kitchen nuke for food again if you dry Kitty litter in
it!!!!)
Now: I did not buy insurance from BB and hereby deny any and all
claims for use, misuse or just plain mis...... of this information.
Money saved for quest of the 28/2.....
Best,
Bill
On Feb 28, 2004, at 12:07 PM, Paul Laughlin wrote:
> At 12:16 AM 2/29/2004 +1100, you wrote:
>
>> $8 Australian for 2Kg's, and I've been buying the stuff for about $20
>> for
>> 12 sachets !
>
> Just did a Google search for Silica Gel and came up with a source that
> lists 6 lb bulk for $21US. They had packets in all sizes and larger
> quantities, also.
> Paul in Portland OR
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