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Silicon electrode for electrolysis
Of course it has to be doped ; usually it's easier to get doped material, since any electronics-Si i ... |
10-2-2009 at 06:22
by: chief |
Silicon electrode for electrolysis
Since in the diamond-thread nobody answered:
Has anyone tried to use Si as an electrode in a chl ... |
9-2-2009 at 14:04
by: chief |
Carbon monoxide preparation?
The cheap detectors seem all to only beep at a limit-value, but reading the conc. is not possible.
... |
9-2-2009 at 14:00
by: chief |
HCl and Al, AlCl3?
If the hydrous AlCl3 from Al + HCl decomposes to Al2O3 + HCl on heating: Is all the HCl regained (no ... |
9-2-2009 at 13:56
by: chief |
Blowing up a resistor at the end of 100m of wire
And I say: A big oil-capacitor has the forces distributed over a large amount of material, so each b ... |
7-2-2009 at 13:08
by: chief |
windpower on the cheap
Any wind-generator cannot produce more elctricity than the wind contains kinetic energy:
E == m/2 * ... |
7-2-2009 at 12:46
by: chief |
HV-source from old laser-printer
I have a 1994 apple laserwriter ; might it contain a HeNe-laser ? Also some other early-90's printer ... |
7-2-2009 at 03:12
by: chief |
Alcohol from wheat
I wasn't talking about global politics ... ; as long as 1000 kg wheat coast me only 110 EUR, I'm gon ... |
6-2-2009 at 12:04
by: chief |
HV-source from old laser-printer
I have around maybe 3 old laser-printers (using toner as ink, standard office-types), which technolo ... |
6-2-2009 at 01:26
by: chief |
Electrolytic Production of Sulphuric Acid + some questions.
SO2-oxidation on the anode: Why not try it using Na2S2O5, which is readily available for food-chemic ... |
5-2-2009 at 00:56
by: chief |
synthetic corundum
The dopants _dont_ get distributed evenly with the verneul, and neither with the czochralski ; no ge ... |
4-2-2009 at 23:49
by: chief |
Alcohol from wheat
If here in EU , where gasoline costs 2 EUR/ liter, the C2H5OH can be had for 25 cents per liter, gue ... |
4-2-2009 at 11:51
by: chief |
Alcohol from wheat
That document gives a experimental yield of 443 l/tonne barley, close to the theoretical yield of 46 ... |
3-2-2009 at 05:24
by: chief |
Alcohol from wheat
The legality-issues aside: How is it possible to make C2H5-OH from wheat (raw delivery, not flour) ? ... |
3-2-2009 at 03:00
by: chief |
synthetic corundum
There are several different ways of growing corundum:
==> the Verneul: Rinsing Al2O3-powder down ... |
2-2-2009 at 23:14
by: chief |
Blowing up a resistor at the end of 100m of wire
Maybe you're right somewhat. But look at those massive connections: 100's of kA will pass easily thr ... |
2-2-2009 at 23:06
by: chief |
Carbon monoxide preparation?
[quote]
And CO will dissappear even more quickly than Cl2, as it is much lighter.[/quote]
CO has n ... |
2-2-2009 at 07:43
by: chief |
Carbon monoxide preparation?
The good old chembook states as reaction for CO-preparation : H2SO4 + formic acid ;
The danger i ... |
2-2-2009 at 04:55
by: chief |
Blowing up a resistor at the end of 100m of wire
I have 2 capacitors of triple the size of above, each , sice they are for 3 phases. Label says: 40 k ... |
1-2-2009 at 23:01
by: chief |
Data logging
The usb-stuff should coast nothing, max 5$ ! More is unacceptable . Else tho good old parallel port ... |
31-1-2009 at 23:37
by: chief |
Blowing up a resistor at the end of 100m of wire
I have an idea for you, maybe its good:
==> put the to-be-exploded wire in place, and use 2 smal ... |
30-1-2009 at 18:35
by: chief |
Blowing up a resistor at the end of 100m of wire
450 Volts @ 10 Ohm cable gives lousy 45 A ; thats lousy, and far from violent !
Then the 100 Ohm-re ... |
30-1-2009 at 05:33
by: chief |
Forget everything else, diamond is the answer!
Next post, different idea: Electrodeless electrolysis can be applied using a high voltage, and coron ... |
29-1-2009 at 20:07
by: chief |
Forget everything else, diamond is the answer!
What about plain old silicon: Does it dissolve in an perchlorate-cell ? Does it form an isolating Si ... |
29-1-2009 at 19:58
by: chief |
Gallium-Aluminium alloy preparation
By the way: What is a good online-source for phase-diagrams ? |
15-1-2009 at 22:00
by: chief |
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