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Synthesis of Sulfur Trioxide and Oleum: The persulfate method
Well Done, Henning Brand. It's nice to see that my work is still an inspiration to members.
For yo ...
22-7-2014 at 11:10
by: garage chemist
Preparation of n-Caproic Acid
Nice Work Magpie.

For extracting the caproic acid from water, I recommend that you try diethyl e ...
13-7-2014 at 00:59
by: garage chemist
One more drop
How would one obtain pitch with just the right consistency for this experiment?
20-7-2013 at 10:21
by: garage chemist
tasty chemicals
I have always found it very strange that our member BromicAcid obtained his potassium bromate as a ...
21-6-2013 at 09:44
by: garage chemist
MAP PRO as a starting buildblock in home chemistry
I also got my MAP Pro cylinders and they indeed have a connection that does not fit onto anything th ...
19-6-2013 at 07:21
by: garage chemist
MAP PRO as a starting buildblock in home chemistry
Yes, that's the seller from which I ordered. Free shipping in Germany.
When I have access to the ga ...
7-6-2013 at 12:33
by: garage chemist
MAP PRO as a starting buildblock in home chemistry
That's unfortunate woelen. I initially also bought two cylinders from this seller but canceled my or ...
7-6-2013 at 10:38
by: garage chemist
MAP PRO as a starting buildblock in home chemistry
@woelen: I have a complete Rothenberger Roxy welding torch set that can be used with the Multigas 30 ...
31-5-2013 at 15:20
by: garage chemist
Properties of 1,2-dichloroethane, interesting experiments?
1,2-dichloroethane is also a convenient precursor to vinyl chloride
through thermal dehydrochlorin ...
31-5-2013 at 12:28
by: garage chemist
MAP PRO as a starting buildblock in home chemistry
@Woelen: Where did you see the Rothenberger MAP PRO cylinders? Are these being offered at a hardware ...
31-5-2013 at 11:48
by: garage chemist
MAP PRO as a starting buildblock in home chemistry
I found the MSDS for the Rothenberger MAPP stuff and it contains 10-25% isobutane in addition to pro ...
31-5-2013 at 04:53
by: garage chemist
MAP PRO as a starting buildblock in home chemistry
I'd really like to get a cylinder of this propylene. We don't have the gas from this manufacturer he ...
31-5-2013 at 04:07
by: garage chemist
MAP PRO as a starting buildblock in home chemistry
Very interesting that you have propylene readily available from the hardware store. I was under the ...
31-5-2013 at 03:23
by: garage chemist
Determining the amount of ethylene in a cylinder
The cylinder volume of 40 L can be relied on, since it's stamped into the cylinder. After all, high ...
30-5-2013 at 19:39
by: garage chemist
Determining the amount of ethylene in a cylinder
[rquote=286161&tid=24453&author=Lambda-Eyde]I might be stating the obvious; but have you tri ...
30-5-2013 at 10:05
by: garage chemist
Determining the amount of ethylene in a cylinder
I have recently acquired a cylinder of pure compressed ethylene.
This steel cylinder has been fill ...
30-5-2013 at 09:39
by: garage chemist
salting out
I have used K2CO3 in the past for drying alcohols and ketones after synthesis. Specifically cyclopen ...
19-5-2013 at 11:36
by: garage chemist
A new remarkable riddle: what is this dark compound?
Did you try the H2SO4 + KClO3 experiment that I suggested?
18-5-2013 at 07:43
by: garage chemist
A new remarkable riddle: what is this dark compound?
Try adding a few drops of conc. sulfuric acid to powdered KClO3 (caution, may explode). This also tu ...
13-5-2013 at 06:53
by: garage chemist
Pretty Pictures (1)
I have some crystalline ferrocyanide and it is pure yellow even with a crystal size of several milli ...
5-5-2013 at 10:31
by: garage chemist
NFPA change for certain chemicals ??
You should be safe as long as you don't bring it to the cinema in your pocket.
5-5-2013 at 10:08
by: garage chemist
Madness to the extreme, nickel teracarbonyl
That's not going to work. You need a very pure carbon monoxide stream and freshly reduced nickel pow ...
4-5-2013 at 09:14
by: garage chemist
Electrolysis of Copper Sulfate Pentahydrate CuSO4.5H2O I need some really inert anodes that can withstand corrosion so does anyo
Get roofing lead sheet instead. Should be available at the next metal goods store.
4-5-2013 at 03:27
by: garage chemist
Electrolysis of Copper Sulfate Pentahydrate CuSO4.5H2O I need some really inert anodes that can withstand corrosion so does anyo
Acidic solutions of sulfates can be electrolyzed with lead anodes, which evolve oxygen. They get coa ...
3-5-2013 at 10:57
by: garage chemist
Ground glass quartz tube
Even a quartz male and borosilicate female will crack- if they get hot and are left to cool while as ...
17-4-2013 at 21:26
by: garage chemist
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