The Vespiary

The Hive => Chemistry Discourse => Topic started by: Bwiti on April 20, 2002, 09:31:00 AM

Title: Production Of Oxygen
Post by: Bwiti on April 20, 2002, 09:31:00 AM
What's up folks?! I'm looking for a way to produce oxygen with a sep funnel and a reaction vessel; simple set-up. I'm not looking for the cheapest way, but I do want it to be as pure as possible. Any info would be much appreciated! Peace! 8)
Love my country, fear my government.
Title: electrolysis
Post by: foxy2 on April 20, 2002, 09:45:00 AM
electrolysis of water, it don't get much purer.

Search google, I think you'll find some small easy set-ups
Those who give up essential liberties for temporary safety deserve neither liberty nor safety
Title: Oxone and MnO2
Post by: Nemo_Tenetur on April 20, 2002, 09:46:00 AM
30 percent hydrogen peroxide and MnO2 is easy, cheap and OTC.
Title: Cool
Post by: Bwiti on April 20, 2002, 05:11:00 PM
Thanks folks! I'll probably use 30%H2O2/MnO2, because platinum electrodes, nichrome or graphite rods, and this thing is a little too involved for me.
(https://www.thevespiary.org/rhodium/Rhodium/hive/hiveboard/picproxie_docs/000299460-file_tfwu.jpg)
Peace! 8)  
Love my country, fear my government.
Title: I have to ask?
Post by: terbium on April 20, 2002, 05:17:00 PM
Why not just go to the local welding supply store and buy a small cylinder of compressed gas?
Title: give away
Post by: cheeseboy on April 20, 2002, 11:02:00 PM
You might even find free cylinders on that famous Lab Supplies auction bay. Search for gas.
May De Sorce Bee Wit Chu-Always
Title: How Small ??
Post by: Bwiti on April 21, 2002, 02:34:00 AM
"You might even find free cylinders on that famous Lab Supplies auction bay."

  Normally that would be a good idea, but as far as compressed gas goes, that's a no-no for me, because you don't know how many times the seller dropped it and bashed the valve. If the valve's damaged, a piece could fly off and blow a fucking hole through your skull when you crack it open. Yeah, a welding supplier's a good idea. I haven't been in the welding world too long; What's the smallest tank available? Peace! 8)

Love my country, fear my government.
Title: the hardware
Post by: foxy2 on April 21, 2002, 04:48:00 AM
The hardware store has disposable oxygen cylinders just like the propane.  They sell mini welding/brazing torches that run on propane/oxygen or MAPP/oxygen.

Check it out, they are like $8 or $10 bucks for one tank of O2.  Pretty expensive, but if you only need a little its the way to go.
Those who give up essential liberties for temporary safety deserve neither liberty nor safety
Title: "they are like $8 or $10 bucks for one tank of ...
Post by: Bwiti on April 21, 2002, 06:54:00 AM
"they are like $8 or $10 bucks for one tank of O2."

  Cool, thanks! That should suit me perfectly. 8)
Love my country, fear my government.
Title: 1 mol
Post by: Chromic on April 21, 2002, 07:49:00 AM
IIRC, those little tanks are about ~1 mol (15g) of oxygen. Might suit your need, although it won't get you away from the need for a gas regulator.
Title: No problem
Post by: Bwiti on April 22, 2002, 03:46:00 AM
"Might suit your need, although it won't get you away from the need for a gas regulator."

  Got the regulator covered. ;)
Love my country, fear my government.