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Clorine gas WITHOUT sodium hypochlorite
"Klorin" brand is sodium hypochlorite, as previously pointed out. Other, cheap brands of bleach may ... |
10-9-2014 at 05:47
by: Siggebo |
Cracks disappearing
Then she needs to be undistinguished at once.
My analytical chemistry professor repeatedly wrote ... |
5-1-2013 at 10:32
by: Siggebo |
Pressure inside a heated, closed bottle
The pressures in the three bottles will be the same.
Current air pressure + vapor pressure of amm ... |
4-1-2013 at 14:27
by: Siggebo |
Cracks disappearing
Glass does not flow! This myth needs to be beaten to beyond death... |
4-1-2013 at 04:32
by: Siggebo |
Separation of Isopropanol and Ethyl Acetate
The wikipedia data sheet for [url=http://en.wikipedia.org/wiki/Azeotrope_%28data%29]Azeotrope[/url] ... |
1-1-2013 at 10:09
by: Siggebo |
Ground glass stoppers
One of these? In that case it's a tube adapter. I imagine the easiest way to make a stopper out of i ... |
1-1-2013 at 06:00
by: Siggebo |
Latest chemical order?
*Happy moment*
Being home by my dad's for the holidays, he dragged me off to a second-hand store. ... |
30-12-2012 at 06:54
by: Siggebo |
The most funny mistake I ever saw
[rquote=268137&tid=22645&author=neptunium]i dont know why everybody likes the H2SO4 method o ... |
9-12-2012 at 01:32
by: Siggebo |
Fischer-Tropsch process demonstration
Very interesting demo! |
3-12-2012 at 12:10
by: Siggebo |
indelible marking of citrus peel
Wash them with something nice, like acetone, and then apply a solvent based permanent marker? |
30-11-2012 at 00:21
by: Siggebo |
Open Container with Acid Solution and Vapor on Storm Windows
Yes, it probably was concentrated sulfuric acid. It used to be common practice in Sweden as well. |
14-11-2012 at 02:29
by: Siggebo |
Potassium Free Sawdust?
The "distingushing" is sort of automatic; when you extrapolate to the intersection with the abscissa ... |
22-10-2012 at 07:32
by: Siggebo |
Potassium Free Sawdust?
Actually, you [i]can[/i] use an additive that contains your analyte. It's called [url=http://en.wiki ... |
20-10-2012 at 23:20
by: Siggebo |
Real chemistry is dying out, why?
As a half-serious remark, I have troubles working even in semi-micro scale because of shaky hands.
... |
7-10-2012 at 10:38
by: Siggebo |
Suitable drying agents
Not all metal oxides are basic; read up on amphoteric oxides for example.
A Brönstedt base is a sp ... |
2-10-2012 at 06:14
by: Siggebo |
Is it an enolate?
No, it is not. Enolates have a negative oxygen next to a C-C double bond. |
4-9-2012 at 00:40
by: Siggebo |
Is it an enolate?
The first reaction step, you mean?
The Ar-OH ring you have there is actually an enol (ph-enol, eh ... |
1-9-2012 at 21:54
by: Siggebo |
Haber process via modified pressure washers
As already mentioned, a pressure washer (and most other water pumps) can not successfully compress g ... |
1-9-2012 at 13:13
by: Siggebo |
Latest chemical order?
Last week I got a 150g jar of fine Mg turnings in my mailbox. Today I found some sulfur at a store, ... |
15-8-2012 at 08:01
by: Siggebo |
Latest chemical order?
I just ordered a pair of platinum electrodes - the school lab, rod variety usual with Pb, Cu and wha ... |
4-8-2012 at 06:47
by: Siggebo |
Make Ammonia gas
Sodium hydroxide and ammonium chloride will create ammonia in solution, which you can indeed drive o ... |
30-7-2012 at 03:47
by: Siggebo |
Best and worst smelling chemicals?
Hypochlorite bleach, mmmmh. Anything halogen-like, really. I've sort of grown up in a pool and I lov ... |
26-7-2012 at 08:15
by: Siggebo |
is this a good vacuum pump?
Around 6 liters per minute seem to be the ballpark, according to several lab suppliers' websites.
... |
26-7-2012 at 06:07
by: Siggebo |
