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25 years later 25000 times more value for the money
I keep my XP laptop booted and use standby... bypasses the one problem.
I suppose that begs the q ... |
15-5-2013 at 18:09
by: 12AX7 |
Chemistry for camping?
I haven't had problems with steel wool myself (burning it, not with lighting a fire with it), the fi ... |
13-5-2013 at 15:37
by: 12AX7 |
Electromagnets!
Umm... I could explain a lot in depth, but it's been my experience that I can write pages and not be ... |
13-5-2013 at 15:33
by: 12AX7 |
Chemistry for camping?
Hmm, KMnO4 + glycerin seconded. Haven't used it myself so I can't speak from authority unfortunatel ... |
12-5-2013 at 19:00
by: 12AX7 |
Synthesizing ammonium aluminate?
Soak aluminum in ammonia and see what happens...
They say aluminum can be corroded by ammonia and ... |
12-5-2013 at 10:56
by: 12AX7 |
Where are we? (Part I?)
Well, it's only Part I. Presumably, others will be covered in further detail. |
11-5-2013 at 08:33
by: 12AX7 |
Preparation of elemental phosphorus
Remember that molten glass is conductive (at least the kinds with ions in them, sodium, calcium, etc ... |
11-5-2013 at 08:26
by: 12AX7 |
Copper Hydroxide electrolytic production
Is the dark stuff clumpy?
It may be metallic copper, reduced from residual ions in solution or by ... |
8-5-2013 at 15:11
by: 12AX7 |
Chlorate separation without potassium
Yes, but the surface crust is an evaporated mixture and will contain much chloride. Or, scraping ou ... |
7-5-2013 at 15:45
by: 12AX7 |
Chlorate separation without potassium
Yes. When you see it crusting over (not on the top, but on the walls inside), turn off the juice, a ... |
6-5-2013 at 16:04
by: 12AX7 |
Chlorate separation without potassium
No, I mean if you concentrate the solution (by boiling down, or, during continuous operation, simply ... |
5-5-2013 at 18:19
by: 12AX7 |
Chlorate separation without potassium
Keep running until the chloride level is low. Chlorate will crystallize due to temperature change, ... |
5-5-2013 at 13:44
by: 12AX7 |
Over-the-counter Tetrahydrofuran
The primer may be promising as well; it doesn't have the sticky PVC resin:
http://www.homedepot.c ... |
4-5-2013 at 22:28
by: 12AX7 |
recovery of Pb metal
The mass should be a composite matrix of salts, amorphous carbon (I can't imagine the sugar left any ... |
3-5-2013 at 21:25
by: 12AX7 |
Potassium Chlorate from Electrolysis - yay :)
Yeah, I can still see the specks and grayness in the first sample. The second is as beautiful as it ... |
1-5-2013 at 14:57
by: 12AX7 |
Melting/cleaning cadmium metal
Sounds too "mushy" to heat in air. Try adding a strong reducing agent (alas, I don't know what to r ... |
27-4-2013 at 12:46
by: 12AX7 |
Potassium Chlorate from Electrolysis - yay :)
The difficulty of purifying KClO3 is doing it hot, without evaporation. Actually filtering the blac ... |
27-4-2013 at 08:55
by: 12AX7 |
Current ripple in chlorate cells
I never had any problems. I tried with and without caps and a filter choke, don't recall it made mu ... |
27-4-2013 at 08:49
by: 12AX7 |
red soluble metal chloride??
Hmm, perhaps it's a simpler compound then. Don't know what they would use other than Sr or Ba ferri ... |
25-4-2013 at 17:06
by: 12AX7 |
Potassium Chlorate from Electrolysis - yay :)
I had picked up a 50lb (..yeah, pretty much 20kg..) sack of KCl "water softener" salt and made plent ... |
22-4-2013 at 20:27
by: 12AX7 |
Silly teacher.
Don't forget to add mention of the general hazards of the chemicals. Do not smell, ingest, allow in ... |
21-4-2013 at 10:46
by: 12AX7 |
Silicides reacting with water?
Elemental Si is oxidized by O2 and H2O. "Nano-powder" basically means "pyrophoric silicon", it beha ... |
20-4-2013 at 16:55
by: 12AX7 |
red soluble metal chloride??
Also, FeCl3 does give off a small amount of chlorine. The redox potential of the pure stuff is actu ... |
20-4-2013 at 16:51
by: 12AX7 |
red soluble metal chloride??
SmCo alloys have density 8.2-8.4, so it is unmistakably not SmCo. It would also give off a lot of h ... |
20-4-2013 at 16:45
by: 12AX7 |
red soluble metal chloride??
I'm thinking strontium or barium ferrite, in which case the color is iron(III).
It would be wonde ... |
19-4-2013 at 19:10
by: 12AX7 |
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