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I recently bought a power supply that is capable of putting out either constant voltage or constant ... |
5-6-2004 at 14:04
by: hodges |
How electrical lines work
As I recall (it's been a while since I read about this), there are several lines which each con ... |
27-5-2004 at 15:01
by: hodges |
Wickless Alcohol Lamp?
Anyone know what this is? If there is no wick how does the alcohol burn? Must not be anything too ... |
26-5-2004 at 14:58
by: hodges |
Tragic Glassware
I had a rather annoying one once, although it didn't really hurt much.
I found a test tube t ... |
26-5-2004 at 14:52
by: hodges |
H2SO4 as an oxidizer
I'm not sure of the equations involved, but I have personally witnessed that adding concentrate ... |
23-5-2004 at 16:33
by: hodges |
Making Silicon
http://www.sciencemadness.org/talk/viewthread.php?tid=2030 |
23-5-2004 at 12:49
by: hodges |
Zinc from Zinc Sulfate
I wish to produce around 10g of powdered zinc. I have some ZnSO4. What would be the best way to re ... |
22-5-2004 at 14:40
by: hodges |
Silicon (and Boron)
I've done the same reaction as Bromic Acid has done. You need really fine silicon dioxide - sa ... |
18-5-2004 at 14:37
by: hodges |
FTP Server #2
Thanks, Axehandle. I downloaded a good chemistry book that is 125 years old from your site. Its in ... |
17-5-2004 at 14:57
by: hodges |
Copper Nitride
I just checked and CRC lists copper nitride as Cu3N, a dark green powder that decomposes in water an ... |
16-5-2004 at 12:53
by: hodges |
Burners
For heating test tubes full of liquids, I use an ordinary candle.
For heating things to high temp ... |
16-5-2004 at 12:40
by: hodges |
Electrolysis using alternators - AC/DC
Just buy either a diode (okay) or "full wave rectifier" (better) from Radio Shack and it w ... |
16-5-2004 at 12:34
by: hodges |
Silver acetylide/nitrate
Actually, all the explosive silver compounds seem to do this (detonate even in tiny amounts). Silve ... |
15-5-2004 at 12:35
by: hodges |
experiment?
You can get a similar decomposition reaction with other catalysts and hydrogen peroxide. For exampl ... |
10-5-2004 at 17:48
by: hodges |
Silver acetylide/nitrate
I made about 0.15g of Ag2C2 using a NH4OH/AgNO3 solution. I bubbled the C2H2 through the solution u ... |
7-5-2004 at 14:18
by: hodges |
Silver / Copper Nitride
Here is about 150 mg of Ag3N (the black precipitate), sitting under water in a paper cup after prepa ... |
2-5-2004 at 15:04
by: hodges |
Silver / Copper Nitride
I did some more experiments with this substance. What I have found is that it (at least when made w ... |
1-5-2004 at 13:45
by: hodges |
NaClO4 production using a Pt clad Ti anode and a Ti cathode.
Axehandle, how are you going to make sure that you don't have any chlorate (vs. perchlorate) in ... |
30-4-2004 at 13:01
by: hodges |
Silver acetylide/nitrate
When making silver acetylide, would it be possible to simply drop a bit of CaC2 into a dilute AgNO3 ... |
29-4-2004 at 14:23
by: hodges |
Our most Valuable Equipment
All my chemicals and equipment are probaly worth a few hundred dollars at most. Probably the most e ... |
28-4-2004 at 14:00
by: hodges |
Silver Nitrate - anything interesting?
Can regular (grocery store) sugar be used in a silvering reaction with silver nitrate? Most of the ... |
27-4-2004 at 14:30
by: hodges |
Iodine
Can be easily obtained by adding dilute HCl to KI dissolved in bleach. Wash the iodine well before ... |
26-4-2004 at 14:10
by: hodges |
Success!
I was successful, even without a source of concentrated NH4OH. I took 0.25 grams of AgNO3 and 1g of ... |
22-4-2004 at 15:02
by: hodges |
Ignition coil drivers
The ignition coil will have 3 connections, +,-, and spark. The high voltage is between the spark (t ... |
22-4-2004 at 14:47
by: hodges |
Thermite Igniter?
A mixture of approximately equal mass of Al powder and powdered sulfur is easy enough to light with ... |
21-4-2004 at 17:08
by: hodges |
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