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Making Liquid Nitrogen
A good quality dewar will hold it for weeks on end. I know that a 35L dewar takes about a month to g ... |
20-8-2005 at 14:45
by: Fleaker |
DIY glassware
Propane/oxygen should handle quartz fine. Hm, I might look into that, it seems like a good idea gett ... |
20-8-2005 at 14:37
by: Fleaker |
Weird EtOH distillation
It should be at least 90%+ depending on column size and how carefully you conducted the distillation ... |
20-8-2005 at 14:29
by: Fleaker |
Disposal of mercury salts (hazardous waste in general).
Pitchblende is safe, relatively speaking. Sure, when concentrated, refined, and ground into a powder ... |
20-8-2005 at 14:22
by: Fleaker |
Making Liquid Nitrogen
What's wrong with purchasing some? It's not too expensive, and many places will loan you a ... |
19-8-2005 at 18:16
by: Fleaker |
Disposal of mercury salts (hazardous waste in general).
Yeah, cinnabar (HgS)....safe, copper matte (arsenides are often present)...safe, pitcheblende....saf ... |
19-8-2005 at 09:18
by: Fleaker |
Exothermic reactions
Hm, post didn't go through. Anyways, try using an oil bath, great controllability but I think i ... |
17-8-2005 at 08:54
by: Fleaker |
PTFE (Teflon) Sintering, coating, forming, and its decomposition.
Do you have any links for the teflon paint, I'm wondering how useful it would be for coating a ... |
14-8-2005 at 08:56
by: Fleaker |
Switching rcving flask in vacuum distillation
Good, I was getting very envious of your high school's science curriculum. :-p |
13-8-2005 at 14:35
by: Fleaker |
Switching rcving flask in vacuum distillation
I'm impressed that they even did a distillation warranting the use of one in Bromic's high ... |
13-8-2005 at 13:39
by: Fleaker |
nickel/gold separation
Metaphisto is right, electrochemically speaking, it's a good method to dissolve nickel.
And ... |
13-8-2005 at 13:32
by: Fleaker |
Possibility of an easy O3/NOx generator
I'm fairly certain NOx destroys ozone, hence the problem with nitrogen oxides destroying the oz ... |
12-8-2005 at 14:52
by: Fleaker |
nickel/gold separation
Pure nickel is fairly magnetic and it would work if it's merely a mixture of powders. |
12-8-2005 at 14:42
by: Fleaker |
Urushibara Shelf Life
I have a friend who is currently doing extensive testing on Urushibara catalysts and their peformanc ... |
11-8-2005 at 21:44
by: Fleaker |
nickel/gold separation
Well I know for a fact that nickel doesn't dissolve well in concentrated nitric (very little hy ... |
11-8-2005 at 21:36
by: Fleaker |
Chemical Plant Explosion!!!!
Most explosions of that size are BLEVE (at least in civilian areas). I'm glad to hear you' ... |
11-8-2005 at 21:33
by: Fleaker |
Cracked Glassware
Well, my friend and I attempted a repair job using regular propane and an improvised kaowool kiln o ... |
11-8-2005 at 21:23
by: Fleaker |
Reclaiming precious metal confusion
I agree, you can make a lot more money by selling it for what it is than by refining it. |
7-8-2005 at 17:56
by: Fleaker |
Reclaiming precious metal confusion
At 5% silver, you might still have problems with silver chloride buildup on the outside of the metal ... |
6-8-2005 at 20:01
by: Fleaker |
Cracked Glassware
Ok, I recently purchased 10 Duran bottles but when they arrived they has a small superficial crack o ... |
6-8-2005 at 08:51
by: Fleaker |
catalases for:H2O2->O2+H2O
You can also use a halide salt (potassium iodide, sodium bromide, etc.) |
6-8-2005 at 08:35
by: Fleaker |
Reclaiming precious metal confusion
Aqua regia will give you silver chloride, it impedes further chemical action. It's a common pro ... |
5-8-2005 at 21:12
by: Fleaker |
Reclaiming precious metal confusion
Mr. Wizard is right. They do contain some phosphorus to prevent excessive oxidation (just like phosc ... |
5-8-2005 at 12:58
by: Fleaker |
Things to do with Nickel
I forgot about that (ref: Al+ SiO2). Alumina is cheaper. |
5-8-2005 at 12:29
by: Fleaker |
What do to with KMnO4?
Yes the heptoxide is quite a bit of fun, even more fun than digesting a whole sausage in peroxysulfu ... |
3-8-2005 at 17:59
by: Fleaker |
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