[pure-silver] Re: Keeping your liquid chemicals fresher longer
- From: Bogdan <bkarasek@xxxxxxxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Tue, 25 Jun 2013 10:20:58 -0400
Hello,
What about the old idea of using marbles to fill the container toreplace
the chemicals that have been used up. This way, the container is always
topped up withchems..... no oxygen.
Problem solved..... or is it???
Cheers,
Bogdan
On 6/25/2013 10:08 AM, emanmb@xxxxxxxxx wrote:
In the early days they just used a layer of oil on top of said liquids
and siphoned out what they needed. No gas, no tanks, pretty minimal
costs. Saw the illustration in James Reilly's book.
On Jun 25, 2013, at 8:26 PM, Peter Badcock <peter.badcock@xxxxxxxxx
<mailto:peter.badcock@xxxxxxxxx>> wrote:
OK, so while I'm relaxing with one leg on my dog and the other
propping up my laptop I thought I'd tell you all about my plans for
keeping my chemicals fresher for longer.
You all know about Tetenal's protectan
<http://www.tetenal.com/index_c.htm?AKT=01120010001000500055&L=UK>
and Bloxygen <http://www.bloxygen.com/>(argon) right ? Both contain
gases which displace the oxygen to reduce the rate of oxidation.
They are both good ideas if you can justify spending way too much
for a bit of compressed gas.
So, my latest idea is to use a 1L disposable canister of Argon
(welding) gas
<http://www.maxxiline.com/product/argongasbottle/argon.html> with a
regulator on top to deliver the inert gas into my partly filled
chemical bottles. If I can get the flow rate under 5 L/min using the
adjustable regulator I should be right. They contain (when released
and uncompressed) 110 Litres of gas as they are stored a volume of 1L
at 110 bar of pressure. the cylinder will probably leak after about
2-3 years but for about US$15 it is only a tad more expensive than
bloxygen but gives over 10 times as much gas (I think - but the
Bloxgen mfg's claim of 75L per can don't add up) Instead I
calculated using the ideal gas equation (PV=nRT) that Bloxygen
contains about 7-10 litres of compressed argon (depending on the
pressure in the can) yet it retails for US$11.
Regards
Peter
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