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Sodium! Bromic acid's method seems the easiest so far. If an iron (steel) wire can be used as electrode ... |
30-4-2004 at 03:21 by: Tacho |
Melting point apparatus. [quote][i]Originally posted by Eliteforum[/i]
Where do you keep your camera?! [/quote]
Exposed ... |
30-4-2004 at 03:02 by: Tacho |
Here it goes: [img]http://www.sciencemadness.org/scipics/mpapp.jpg[/img]
1- Sorry, but my webcam is developin ... |
29-4-2004 at 10:56 by: Tacho |
Melting point apparatus. Sure.
I'll put some instructions together and post them as soon as possible. |
28-4-2004 at 11:11 by: Tacho |
Melting point apparatus. Sorry, can't do that. For many reasons.
I'm sure you can find someone to built it for y ... |
27-4-2004 at 11:03 by: Tacho |
Aromatic dialdehydes? If I formylate hydroquinone long enough with chloroform and NaOH, will it become a dialdehyde? Or a ... |
23-4-2004 at 13:00 by: Tacho |
V2O5 catalyst for H2SO4 production. There is a hundred posts in the usenet saying how well ammonium persulfate etches copper. I could no ... |
20-4-2004 at 03:07 by: Tacho |
Sodium! Congratulations Bromic!
Your work seems clean and easy! I tried melting some NaOH on a hotplate l ... |
19-4-2004 at 11:04 by: Tacho |
V2O5 catalyst for H2SO4 production. axehandle,
People use ammonium persulfate to corrode printed circuit boards. I tried it. I did ab ... |
19-4-2004 at 04:46 by: Tacho |
Laser Scale - Homemade [quote][i]Originally posted by Geomancer[/i]
(snip)
Tacho: Sorry, I had forgoten that you're ... |
16-4-2004 at 03:10 by: Tacho |
Plant roots in mild vacuum If you boiled the nutrient solution, the nutrients would stay in the boiling pot. It's called d ... |
15-4-2004 at 03:34 by: Tacho |
Laser Scale - Homemade Oh, Geomancer, I'm not saying this is a better design. Not even a good design! It's in fac ... |
14-4-2004 at 14:21 by: Tacho |
Laser Scale - Homemade This is an idea I NEVER TRIED, not even a simple test, but has many interesting features:
It is ve ... |
14-4-2004 at 13:06 by: Tacho |
V2O5 catalyst for H2SO4 production. Baking soda? Cook? CO2? Cake?
OOOuch!
How could I be so stupid!
Really sorry about that o ... |
14-4-2004 at 12:49 by: Tacho |
V2O5 catalyst for H2SO4 production. Axehandle,
I’ve been thinking about an easier way than clay turd to make the “heating channel ... |
14-4-2004 at 03:31 by: Tacho |
FTP for idiots. OK, here goes my experience trying to upload pictures, hope it helps other people:
I started usin ... |
12-4-2004 at 17:00 by: Tacho |
V2O5 catalyst for H2SO4 production. Sorry to clog your thread axe, but I've been messing around with FTP software, and I need a pla ... |
12-4-2004 at 15:21 by: Tacho |
V2O5 catalyst for H2SO4 production. I'm sorry if you already mentioned it, but I don't feel like reading the whole thread: Are ... |
12-4-2004 at 15:05 by: Tacho |
Ozone generator. Marvin,
I don’t think it’s God you are talking to. But if you think it is, it ... |
12-4-2004 at 14:58 by: Tacho |
Two of my precious scales. [img]http://www.sciencemadness.org/scipics/eletroscale.jpg[/img]
On the first picture, the alumin ... |
11-4-2004 at 07:12 by: Tacho |
Laser Scale - Homemade My electronic scale (the cheap one you find at e-bay, price equivalent to 25 euros) weights up to 20 ... |
11-4-2004 at 02:30 by: Tacho |
Sodium! patu, I liked that.
You mean that the liquid sodium got trapped [u]under[/u] the molten sodium s ... |
10-4-2004 at 05:48 by: Tacho |
V2O5 catalyst for H2SO4 production. You must have some strange vacations. How did you get some "metal lathe time"?
Those pi ... |
10-4-2004 at 05:37 by: Tacho |
Thermite Welding Let me add to what has been said that the iron that comes from a thermite reaction may not be the mo ... |
10-4-2004 at 05:30 by: Tacho |
How to keep elemental bromine? Thank you all,
I'll go for the ampoule idea. I think I know where to buy virgin ampoules. S ... |
9-4-2004 at 09:33 by: Tacho |
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