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Separation of Lead and Silver?
1. Dissolve in nitric acid, heating is required (watch out for aerosols containing Pb2+, and ofcours ... |
10-7-2008 at 23:45
by: Jor |
GBL: 600 raids in Germany, Austria, Switzerland
Well, I have read on the german forum www.versuchschemie.de, that that were also some people raided ... |
10-7-2008 at 02:38
by: Jor |
Can I store nitric acid safely?
If you buy it in a amber glass bottle with a good cap from a reputable supplier and keep it cool, I ... |
9-7-2008 at 16:09
by: Jor |
Nitric Acid Synthesis
Wow, this stuff is extremely corrosive I think! :
http://youtube.com/watch?v=zWK8pl0MmGM&feat ... |
8-7-2008 at 10:30
by: Jor |
Nitric Acid Synthesis
I'm also planning to make some nitric acid >90%. For it's storage a DURAN 50mL bottle with a PTFE ... |
8-7-2008 at 02:50
by: Jor |
constant boiling hydrobromic acid
I tested my HBr for sulphate and sulphur dioxide as well, excactly the same way, except for that I r ... |
5-7-2008 at 13:04
by: Jor |
trimethyl borate
I don't have any benzene or toluene. However, I am getting 250ml of benzene soon, but as not_importa ... |
5-7-2008 at 12:10
by: Jor |
trimethyl borate
I only have a simple distillation-setup and no vaccuum, so i think your ideas can't be performed by ... |
5-7-2008 at 11:27
by: Jor |
trimethyl borate
I plan on making some really soon, I have already mixed 10g of boric acid with 40mL methyl alcohol ( ... |
5-7-2008 at 10:40
by: Jor |
Found on eBay
I have bought many chemicals via an eBay seller. I have recieved many, like KI, CoSO4, CuSO4, NiSO4, ... |
3-7-2008 at 15:54
by: Jor |
constant boiling hydrobromic acid
Ok, I guess I will have to buy a vigreux some time then.
Is it really not possible to use less wa ... |
2-7-2008 at 01:55
by: Jor |
constant boiling hydrobromic acid
Thanks for all the replies.
I still have numerous uses for the dilute acid (well, actually, it's no ... |
1-7-2008 at 17:01
by: Jor |
Best and worst smelling chemicals?
Ofcourse not. After all, it may be extremely reactive, but X molecules can react X times. So even if ... |
1-7-2008 at 15:21
by: Jor |
The color of KMnO4
I think woelen has posted on this forum somewhere, that KMnO4 can be green. It was some guy who was ... |
1-7-2008 at 15:18
by: Jor |
constant boiling hydrobromic acid
I just a very basic distillation-setup.
[img]http://img384.imageshack.us/img384/5906/p1080232yd5. ... |
1-7-2008 at 15:01
by: Jor |
constant boiling hydrobromic acid
First of all, I know there about 3 threads about this subject.
But this is more of a question about ... |
1-7-2008 at 13:33
by: Jor |
Tour My Lab
Yes, I know, but I have only little reagent grade (100g or so) of sodium thiosulphate. I really don' ... |
30-6-2008 at 15:44
by: Jor |
Flashpowder fuels?
maybe phosphorus? |
30-6-2008 at 08:07
by: Jor |
Tour My Lab
Nice!
But... CLEAN UP!
I clean up all the time, and it's a pleasure to work in an ordened place. h ... |
30-6-2008 at 07:19
by: Jor |
Best and worst smelling chemicals?
I really start hating acetic acid. You would expect this one is not that serious at all, but after a ... |
29-6-2008 at 12:57
by: Jor |
Annoying neighbors
My neighbors are also a bit annoying sometimes. The door of my garage is a few meters from their gar ... |
27-6-2008 at 07:25
by: Jor |
failure cobalt NH3 complex
Today I wanted to isolate the ammine complex of cobalt.
I took some CoSO4.7H2O, dissolved this in a ... |
23-6-2008 at 13:16
by: Jor |
Good general reagents
Yes, the question is: what do you want to focus on?
I think these chemicals add a lot in an inorg ... |
18-6-2008 at 14:22
by: Jor |
The Platinum Mirror
http://www.versuchschemie.de/topic,7012,-Kupferspiegel.html |
16-6-2008 at 10:47
by: Jor |
Riddle: adding reductor and acid to dichromate, order of addition makes big difference
Maybe a very inert complex of Cr(VI) is formed. if this is true, maybe no CrO5 is formed, and thus n ... |
11-6-2008 at 13:54
by: Jor |
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