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Overloading a 1/4 watt resister
Such overcurrent may overheat your resistor so it may get somewhat damaged but it will not "blow". 1 ... |
22-12-2006 at 14:54
by: chromium |
Titanium Sulfate
Titanium dioxide is soluble in molten KHSO4 (this is used for etching TiO2 surface) but i am not sur ... |
18-12-2006 at 16:09
by: chromium |
more frightening privacy stuff
[quote][i]Originally posted by tonyxxy[/i]
As for personal computer security the only way to be sec ... |
11-12-2006 at 12:41
by: chromium |
Solar cells
[quote][i]Originally posted by Quince[/i]
Solar electricity is another environmentalist scam. All ... |
7-12-2006 at 02:04
by: chromium |
Separating waxy crap from methylene chloride
I do not know if your mixture has azeotrope or not but separating substances with fractional distill ... |
6-12-2006 at 14:27
by: chromium |
Chemicals/labware to avoid?
Veruth, you should not order list 1 chemicals or if you do, be prepared for police visit. Better ye ... |
6-12-2006 at 01:18
by: chromium |
Chemicals/labware to avoid?
[quote][i]Originally posted by Jdurg[/i]
get in touch with your local police department and let the ... |
4-12-2006 at 15:12
by: chromium |
more frightening privacy stuff
I suppose that for mobile phones there is way to know if it is used to spy for you. My idea is based ... |
4-12-2006 at 00:04
by: chromium |
No more Providone Iodine over the counter?
[quote][i]Originally posted by enhzflep[/i]
... if the chems weren't hard to obtain then there woul ... |
3-12-2006 at 13:56
by: chromium |
Kno3.com
[quote][i]Originally posted by woelen[/i]
I get the impression that Germany is becoming more and mo ... |
1-12-2006 at 05:50
by: chromium |
density of diluted sulphuric acid solutions
http://us.mt.com/mt/appEdStyle/Sulfuric_Acid_de_e_0x000248e10002599200073c91.jsp |
29-11-2006 at 03:33
by: chromium |
Improvised titration/buret substitute?
Titration is basically just measuring of amount of one solution that is needed to neutralize known a ... |
27-11-2006 at 00:45
by: chromium |
Copper(II) Sulfate
[quote][i]Originally posted by woelen[/i]
[quote][i]Originally posted by chromium[/i]
In my opinio ... |
23-11-2006 at 04:11
by: chromium |
Copper(II) Sulfate
Good prep!
I have heard of people saying that this section should be only for trully advanced wo ... |
23-11-2006 at 01:10
by: chromium |
Odour Control
Simple but great idea. Maybe some others already knew this but for me it was new. I like that it can ... |
21-11-2006 at 05:20
by: chromium |
Solubility of components
[quote][i]Originally posted by Baphomet[/i]
One idea I had was for a kind of solubility database of ... |
21-11-2006 at 05:09
by: chromium |
Benzene synthesis
I do not know how much ethylene glycol was in water layer but mix of water and EG can probably disso ... |
20-11-2006 at 12:15
by: chromium |
Cesium from CsCl
It may be that garage chemists idea does not work as cesium chromate is quite well soluble in water. ... |
6-11-2006 at 07:34
by: chromium |
Cesium from CsCl
Try it at first with NaCl or NaOH, and only after you can succesfully extract sodium, you may consid ... |
4-11-2006 at 07:20
by: chromium |
Eriochrome black
How this compund is made? In our dye chemistry books i did not find any reference to it.
Here is ... |
31-10-2006 at 00:37
by: chromium |
The Responsibility of the Scientist
After reading what Polverone sayd it seems to me that maybe attitude to science has not changed much ... |
28-10-2006 at 15:05
by: chromium |
What to do with diphenyl carbonate?
[quote][i]Originally posted by woelen[/i]
I tried to make phenol from the diphenylcarbonate, but it ... |
28-10-2006 at 05:20
by: chromium |
Sulfuric Acid Production: Revisited
Your sand was probably contaminated with some organic matter.
If your hotplate gets red hot then ... |
26-10-2006 at 14:10
by: chromium |
Swim et al.
[quote][i]Originally posted by daeron[/i]
You think it is because of the safety of the poster?Shees ... |
13-10-2006 at 12:42
by: chromium |
Platinum wire for electrolysis
Does anyone know why other noble metals are not used for anodes? Palladium and iridium are much chea ... |
11-10-2006 at 10:27
by: chromium |
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