Sciencemadness Discussion Board
Not logged in [Login ]
Go To Bottom

Search
[Next Page]
bromine
Hello,

Im thinking about buying some bromine.
Im cuite worried about the stories , that i is al ...
6-3-2008 at 15:09
by: Jor
Practical guide for converting red P to white P
Very nice videos sciencegeek.

http://www.youtube.com/watch?v=Uo1zW-JImRk

Thats a lot of silve ...
6-3-2008 at 11:07
by: Jor
Biphenyl, would this method work?
EDIT : nevermind

[Edited on 5-3-2008 by Jor]
5-3-2008 at 12:01
by: Jor
real problem pouring acids.
Sorry for the bump.

I advice you all really (if you didnt already have them) to buy pouring-rings ...
5-3-2008 at 09:25
by: Jor
Acquisition of Conc. H2SO4
www.lpchemicals.com

1L lab-grade 98% H2SO4 for 6,90.
Also many other common things for very good ...
5-3-2008 at 00:58
by: Jor
Practical guide for converting red P to white P
Why is white phosphorus so toxic? Is this just because it is so reactive? What does it 'do' in the b ...
4-3-2008 at 13:44
by: Jor
acetylsalicylic acid
hs anyone retried yet? I would, but have no aniline, and besides, handling it in my homelab would be ...
1-3-2008 at 16:22
by: Jor
Practical guide for converting red P to white P
You can make PCl3, wich is almost impossible to make with red P, because red P favours the step to P ...
1-3-2008 at 12:17
by: Jor
ethylenediamine dinitrate
I got 250mL for free.

When it is all used up I can still get it very cheap :P
500mL 15,00 EUR f ...
1-3-2008 at 11:52
by: Jor
ethylenediamine dinitrate
Today I made some of this by adding 0,350mL (7 drops) of ethylenediamine (I hate this stuff, fumes b ...
1-3-2008 at 09:04
by: Jor
cyclohexanone
chromic acid should be prety easy to dispose of by simply reducing it with acidified sodium sulphite ...
1-3-2008 at 02:45
by: Jor
Practical guide for converting red P to white P
very cool :P
I Shame I cant do this, I cant accept such a large risk of fire :(

And by the way, ...
29-2-2008 at 17:50
by: Jor
Advice for distillation setups needed
QUOTE
''I purchased a hot plate and it did not work well. Transferring the heat to the flask is a r ...
27-2-2008 at 05:42
by: Jor
Advice for distillation setups needed
Ok, I understand now. I will just order all my pieces NS14 size. The cooler will probably be 20cm lo ...
27-2-2008 at 02:55
by: Jor
Advice for distillation setups needed
''Get standard taper .. 19/22 or 24/40. The latter will offer more choices. If you elect the former ...
27-2-2008 at 00:50
by: Jor
Advice for distillation setups needed
First of all, I know there have been numerous topics about : 'where to buy a setup'' ,etc. But this i ...
26-2-2008 at 15:15
by: Jor
Suppliers
Yes, I can order from Merck/Fisher/Acros/Baker as well, and I do it through a local reseller.
24-2-2008 at 10:38
by: Jor
Tour My Lab
I love the fume good. I guess the 3 large bottles on the lower part of the fumhood are nitric, sulph ...
21-2-2008 at 14:01
by: Jor
acetylsalicylic acid
Oops, to be honest, I had the 77,3% before I did recrystallisation. However in cold water, acetanili ...
19-2-2008 at 13:45
by: Jor
acetylsalicylic acid
Ok, thank you all for the help. My acetanilide is pure (concluded from the melting point test). I go ...
19-2-2008 at 10:06
by: Jor
Latest chemical order?
1 Liter 25% ammonia
100g hydrazine sulphate
500g zinc shavings
250g sodium persulphate
250mL eth ...
18-2-2008 at 01:53
by: Jor
ammonia solution without suds
Im sorry for the bump, but I thought I should at least post another synthesis for ammonia gas, wich ...
16-2-2008 at 06:54
by: Jor
acetylsalicylic acid
Ok, thanks for the imformation not_important, I will use that in my work.
I Will treat the satured ...
14-2-2008 at 10:02
by: Jor
acetylsalicylic acid
I havent done TLC. Only the chemistry teacher was at school today, and he doesnt know where the biol ...
14-2-2008 at 08:49
by: Jor
acetylsalicylic acid
hmm, I do not want it to fail, because tomorrow is my last chance to try purify it.
Is there anyone ...
14-2-2008 at 07:03
by: Jor
[Next Page]

  Go To Top