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Copper Hydroxide
Hah, copper tends to form a carbonate complex. You will eventually have a deeply blue solution (and ... |
13-6-2010 at 05:03
by: 12AX7 |
Copper Hydroxide
What electrolyte?
The yellow to brick-orange precipitate is Cu2O, generally the result when chlor ... |
12-6-2010 at 13:54
by: 12AX7 |
Thoughts On Anodes
I have a bag (a few pounds) of what I expect is crude NaClO4. As I recall, the bag was leaky and hu ... |
12-6-2010 at 13:51
by: 12AX7 |
Best and worst smelling chemicals?
I LOVE the smell of phenol. It reminds me of old circuit boards. 
Tim |
12-6-2010 at 13:47
by: 12AX7 |
Is it just me?
[rquote=179100&tid=13917&author=Vogelzang]One way to have a message board that only has post ... |
3-6-2010 at 19:19
by: 12AX7 |
Copper hydroxide by electrolysis
In hydroxide solution, you have two reactions at the anode: the lowered oxygen overpotential (hence ... |
2-6-2010 at 06:08
by: 12AX7 |
Is it just me?
If you don't like it, get out into the lab and do something interesting. Then post about it. |
1-6-2010 at 04:58
by: 12AX7 |
self-ionization of water
There's an old rule in chemistry, indeed in physics in general: if it can happen, it will. You just ... |
1-6-2010 at 04:56
by: 12AX7 |
Copper hydroxide by electrolysis
Nitrate attacks the copper anode, that much is straightforward. KOH (from the cathode) reacts with ... |
1-6-2010 at 04:35
by: 12AX7 |
KNO3 from feces
Did someone say, Rule 34?
http://img.listal.com/image/400045/600full-kari-byron.jpg
Well, it's ... |
31-5-2010 at 04:43
by: 12AX7 |
K2CO2 to KOH
The old way: load blocks of limestone into a kiln with layers of charcoal. Stoke it up, get it to t ... |
30-5-2010 at 02:07
by: 12AX7 |
High Voltage power supply
Yuck.
There are better ways. Waaay, better ways. Like for one thing, forget 741 and 3055 [i]eve ... |
30-5-2010 at 02:05
by: 12AX7 |
Extracting & separating Pt, Pd and Ag from USSR capacitors - hos is best?
As I recall, they use eddy currents, not electrostatic?
It'll work, but my point was, how do you ... |
29-5-2010 at 02:35
by: 12AX7 |
Diethyl ether peroxide synthesis?
What about the crystalline solid sometimes claimed to be present in ether? Is that a higher-mer per ... |
28-5-2010 at 16:52
by: 12AX7 |
Extracting & separating Pt, Pd and Ag from USSR capacitors - hos is best?
Ha... but did you happen to try it with brass-metallized sand?
Tim |
28-5-2010 at 16:50
by: 12AX7 |
Fe2O3 from Scrap Iron and Nitric Acid
Sulfuric acid, ferrous sulfate, whatever.
Electrolysis is certainly not required, indeed, iron ge ... |
28-5-2010 at 16:49
by: 12AX7 |
Fe2O3 from Scrap Iron and Nitric Acid
The sulfate is usually used, because it's cheaper (= almost free).
Adding any electrolyte will en ... |
26-5-2010 at 21:19
by: 12AX7 |
Extracting & separating Pt, Pd and Ag from USSR capacitors - hos is best?
Aluminum is used in metallized film capacitors and electrolytics. I don't think it has ever been us ... |
26-5-2010 at 21:15
by: 12AX7 |
Microwave Kiln "Microkiln"
Not at low temperatures. Calcium silicate is a primary ingredient in glass, an insulator. |
25-5-2010 at 17:29
by: 12AX7 |
Extracting & separating Pt, Pd and Ag from USSR capacitors - hos is best?
FYI, the dielectrics will be nearly pure titania (C0G/NP0), or some combination of barium titanate a ... |
25-5-2010 at 17:27
by: 12AX7 |
How to convert ferrovanadium (82%) in vanadium pentoxide
If it wasn't completely oxidized, you may have magnetite. Is it magnetic?
Tim |
20-5-2010 at 19:34
by: 12AX7 |
Electrolysis power supply
The video card is capable of extremely complex waveforms (indeed, it's a high resolution, three chan ... |
17-5-2010 at 18:05
by: 12AX7 |
Permanganates
I think the temperature was too low. Nitrate and chlorate tend to get cooking at higher temperature ... |
17-5-2010 at 17:49
by: 12AX7 |
Electrolysis power supply
If you're going to hack an RTOS, you might as well write your own code. On a microcontroller.
Ri ... |
16-5-2010 at 16:05
by: 12AX7 |
Electrolysis power supply
Sound cards are not DC coupled, so that will not work. They also have poor impulse response, being ... |
16-5-2010 at 07:39
by: 12AX7 |
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