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Theoretical question: reaction mechanism of electrolysis of water
Conversely, is free peroxide actually present in a sulfuric acid solution? If the equilibrium is st ...
17-2-2008 at 18:44
by: 12AX7
Urea to Nitric Acid
I've mentioned it before, but never done it. Tonight I tried.

Apparatus:
I built a vaporizing c ...
17-2-2008 at 02:42
by: 12AX7
Electrochemical ozone generation
Yes, the Pb anodizes to PbO2, which usually flakes off easily. Electrolysis of sulfuric acid soluti ...
17-2-2008 at 02:26
by: 12AX7
Unknown copper compound
It's well known (at least here) that copper chloride solutions have a catalytic effect on aluminum. ...
16-2-2008 at 20:28
by: 12AX7
ClO2 as a health product
[quote][i]Originally posted by Adi[/i]
By the way nobody drinks or eats 10g NaClO2. They only drink ...
14-2-2008 at 21:41
by: 12AX7
Methyl Ethyl Ketone Peroxide
TNT can be fused safely. I would suppose a standard powder basin, heat fusion type stereolithograph ...
13-2-2008 at 18:00
by: 12AX7
Multilayer Metal Oxide / Titanium Anodes for Chlorate/Perchlorate
Incidentially, tin-bismuth alloys have very low melting points, the eutectic being something like 12 ...
13-2-2008 at 17:56
by: 12AX7
ClO2 as a health product
Bollocks; ClO2 is as corrosive and reactive as Cl2, NO2 and other related oxidizers, if not more so. ...
13-2-2008 at 16:51
by: 12AX7
NaCl (s) + NH3 (aq.) = ????
I would more suspect some sort of insoluble stuff, possibly that's insoluble in base, or some sort o ...
13-2-2008 at 16:47
by: 12AX7
Electrochemical ozone generation
Walking around my house, it's quite easy to tell when the furnace is running: the smell of oxidizer ...
12-2-2008 at 14:32
by: 12AX7
Electrochemical ozone generation
Soft solders are well known to dissolve and pit noble metals.

The copper tip on your soldering ir ...
10-2-2008 at 13:05
by: 12AX7
Unknown copper compound
It does. Try diluting 10x or more. You'll see a blue solution with white precipitate, CuCl, suspen ...
10-2-2008 at 12:43
by: 12AX7
weird unpleasent smell.
I once made some, using crappy ethanol (I distilled myself, described in the "solar still" thread, i ...
10-2-2008 at 08:59
by: 12AX7
Copper electroplating
Excessive current density also produces spongy deposit, even in the presence of thiourea.

Tim
10-2-2008 at 08:54
by: 12AX7
Copper electroplating
I've tried it, to no success.

Tim
9-2-2008 at 23:55
by: 12AX7
Beryllium Separation
Hmm, I don't have anything for Cu(I).

Cu(2+) + Cl- <---> CuCl+ pKf = -0.20
CuCl+ + Cl- < ...
9-2-2008 at 09:54
by: 12AX7
Methylation of phenolic aldehydes with MeI in DMF: 2-methoxybenzaldehyde
Thanks for pictures! Well written! It's nice to see someone actually doing something in this silly ...
8-2-2008 at 22:55
by: 12AX7
Yet another oxidation
Today I observed another high temperature reaction of chlorate.

Some time ago, I was given some " ...
8-2-2008 at 14:37
by: 12AX7
kid's crystal kit
The formation of potassium chlorate is quite interesting. Mix not too strong solutions of potassium ...
8-2-2008 at 10:04
by: 12AX7
kid's crystal kit
An excellent crystal formation there!

Drying an NaBrO3 solution, I have also had clumps of that t ...
7-2-2008 at 21:47
by: 12AX7
Beryllium Separation
Complexes (plural): I have Cu(2+) + HCO3(-) <--> CuHCO3+ pKf = -1.8, so it's not entirely negl ...
7-2-2008 at 21:37
by: 12AX7
Self perpetuating magnetic motors, free energy?
I would guess he has electromagnets anywhere in the apparatus -- including under the table if necess ...
7-2-2008 at 20:08
by: 12AX7
Unknown copper compound
As I reported here,
http://www.sciencemadness.org/talk/viewthread.php?tid=9831
copper(I) solutions ...
7-2-2008 at 20:00
by: 12AX7
Beryllium Separation
Well copper forms carbonate complexes too; neutralizing a copper solution with excess carbonate leav ...
7-2-2008 at 19:56
by: 12AX7
Unknown copper compound
In my experience, "dilute" solutions of the brown complex appear dark green. This can be seen by ma ...
7-2-2008 at 14:22
by: 12AX7
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