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Concentrating nitric acid
yes, but this doesn't give you pure nitric acid. as far as i know, some of the NO2 dissolves in the ... |
16-6-2013 at 14:21
by: ElectroWin |
Can we drink 100 percent lab grade ethanol
[rquote=288132&tid=24652&author=papaya]Carbonates and 100% ethanol? How??[/rquote]
An acq ... |
16-6-2013 at 14:06
by: ElectroWin |
The short questions thread (3)
i wonder if it could ignite the magnesium?
3 Mg + Al2O3 --> 3 MgO + 2 Al
i think you dont ... |
8-6-2013 at 10:55
by: ElectroWin |
What are your desiccants?
[rquote=283922&tid=24197&author=APO]According to this "Anhydrous copper nitrate forms deep b ... |
2-6-2013 at 10:31
by: ElectroWin |
How to concentrate an ammonia solution via distillation?
the ammonia comes off first. however, i've tried to do this with simple kitchen equipment and had pr ... |
28-5-2013 at 09:36
by: ElectroWin |
CISPA: A complete destruction of our privacy
I treat my internet use as very much like walking down the street. it's public, and there are many p ... |
28-5-2013 at 09:23
by: ElectroWin |
What does HCN or H2S poisoning feels like?
a couple times when i made CaCl2 from roasted egg shells and HCl, there was some H2S gas evolved alo ... |
28-5-2013 at 08:29
by: ElectroWin |
Copper salts, a cautionary tale.
copper salts cause hemolysis (your blood cells explode); in small doses, this will make you nauseous ... |
28-5-2013 at 08:21
by: ElectroWin |
does anyone else have a fear of police raids?
Context is important.
I chatted in a cafe, last year, with a retired judge (a personal friend) ab ... |
23-5-2013 at 09:33
by: ElectroWin |
Impure ZnCO3?
i've seen lots of zinc-aluminum alloys. any chance there was some aluminum in there? |
21-5-2013 at 11:41
by: ElectroWin |
Terrorist Plot in Canada to blow up Rail System
[rquote=285046&tid=24084&author=franklyn] IRS video .. </iframe>
.[/rquote]
spam ... |
21-5-2013 at 10:52
by: ElectroWin |
Granular Ferric Oxide: Phosphate aborber turned thermite?
[rquote=285118&tid=24296&author=DeadHead]Right now I'm looking to make something sparkly and ... |
21-5-2013 at 10:32
by: ElectroWin |
Stability of the Cu(I) compounds
Colour of copper (II) salts depends on pH; becoming green in more acidic conditions; and lovely deep ... |
21-5-2013 at 10:25
by: ElectroWin |
Impurity in copper carbonate
here is a list of common alloys of copper
http://www.radcliffwire.com/alloy_copper.htm |
20-5-2013 at 14:25
by: ElectroWin |
Leaching H2O2 out of Sodium Percarbonate
[rquote=284700&tid=24287&author=blogfast25]Considering just how widely available and cheap h ... |
18-5-2013 at 07:04
by: ElectroWin |
Venting Sodium Bisulphate
SO2 is so stinky that you can smell that brimstone odour even in trace amounts; if there is no smell ... |
14-5-2013 at 10:13
by: ElectroWin |
Terrorist Plot in Canada to blow up Rail System
[rquote=283060&tid=24084&author=franklyn]www.youtube.com/watch?v=TH8sHv3XTxI
Anyone find it ... |
5-5-2013 at 11:12
by: ElectroWin |
titanium dioxide dielectric for HV capacitors
[rquote=281951&tid=24046&author=watson.fawkes][rquote=281947&tid=24046&author=Electr ... |
23-4-2013 at 09:21
by: ElectroWin |
what size glassware to get?
50 mL is analytical size
1 to 5 L is synthesis size
your 250 mL is smack in-between |
20-4-2013 at 19:48
by: ElectroWin |
titanium dioxide dielectric for HV capacitors
[rquote=281840&tid=24046&author=franklyn]www.youtube.com/watch?v=g1SN3rMTFok
www.youtube. ... |
20-4-2013 at 19:24
by: ElectroWin |
titanium dioxide dielectric for HV capacitors
[rquote=281742&tid=24046&author=Twospoons]The more usual dielectric would be polyethylene fo ... |
20-4-2013 at 18:32
by: ElectroWin |
titanium dioxide dielectric for HV capacitors
a friend asked me to help him build a Tesla coil; it seems i need a 25 kV, 2200 pF capacitor for thi ... |
18-4-2013 at 14:26
by: ElectroWin |
PID Controlled Cheap 'Homemade' Hotplate
dont you want to control this based on the measured temperature of the stuff you're cooking, rather ... |
12-4-2013 at 10:41
by: ElectroWin |
what size glassware to get?
depends on whether you do synthesis, or analysis. the former uses larger size equipment |
4-4-2013 at 09:36
by: ElectroWin |
Science project prompts SD school evacuation
this was a science project.
what school policy was violated?
|
26-3-2013 at 10:25
by: ElectroWin |
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