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Drying solvents with Al.
The point was to use Al because it's dirt cheap and ridiculously available. Also, if it works, it wi ... |
29-12-2007 at 02:56
by: Furch |
"Smell" of oxidizers
I've read somewhere that what you smell when you smell chlorine is the same smell as with bromine, b ... |
2-10-2007 at 16:03
by: Furch |
Drying solvents with Al.
I hear you Nicodem. Slurry'ing would be a real problem...
I guess drying the azeotropic mixture o ... |
2-10-2007 at 14:04
by: Furch |
Drying solvents with Al.
An idea occured when I read the current Al/Hg reduction thread.
Since pure aluminium reacts readi ... |
2-10-2007 at 13:40
by: Furch |
What is the most ignorant thing you have ever done while conducting an experiment?
The most ignorant thing I've done? Oh... I remember this [i]one[/i] time I got a yield less than 95% ... |
2-10-2007 at 13:26
by: Furch |
Reduction Al-Hg
I agree with Sauron!
Also, Sauron, don't worry... He's probably just going to make some benign ch ... |
1-10-2007 at 11:20
by: Furch |
Complete Lab for Sale
I don't see why that pump would sell for nearly 800 USD? 30 mmHg/torr isn't a good vacuum... Nor is ... |
1-10-2007 at 10:38
by: Furch |
Reduction Al-Hg
Sauron, what reducing agent would you choose to reduce nitromethane to methylamine? I think Al is an ... |
1-10-2007 at 10:11
by: Furch |
Peroxide removal bmo. metabisulphite
Thanks for that, GC. Since I haven't had any problems with peroxides earlier in my ether related exp ... |
17-9-2007 at 05:09
by: Furch |
Peroxide removal bmo. metabisulphite
Thanks all, you've been most helpful!
I've got an opened bottle of about 100 ml Et2O, a couple of ... |
17-9-2007 at 04:42
by: Furch |
Peroxide removal bmo. metabisulphite
Thanks for the quick reply, Eclectic!
The reason I prefer not to make-and-use FeSO4 was because I ... |
16-9-2007 at 13:51
by: Furch |
Peroxide removal bmo. metabisulphite
Hello.
Since I don't currently have no access to the standard chemicals for removal of peroxides ... |
16-9-2007 at 12:58
by: Furch |
Calibration of mechanical analytic balance.
Howdy peeps...
I've gotten my hands on a Sartorius mechanical balance, weighing in the range of 0 ... |
1-9-2007 at 17:24
by: Furch |
L-tryptophan decarboxylation
You should've somehow tried to measure the gas evolution using hoses, plugs, water baths and water f ... |
30-5-2007 at 02:48
by: Furch |
pump performance
Chemrox, when I enter those values (b.p. of GBL @ 760 mmHg = 202 °C, and your observed boiling poin ... |
12-5-2007 at 05:06
by: Furch |
Potential route to amphetamine...
IIRC, the theory that Formyl is referring to is presented in the latest edition of March's. I don't ... |
6-5-2007 at 11:34
by: Furch |
pump performance
I use a trap with 13X molecular sieves mixed with blue Drierite... Though I don't use my vacuum pump ... |
1-5-2007 at 01:37
by: Furch |
Problem with monomethylation of amines.....
Why not try using the hydrochloride salt of the amine? That would give some acidity to the the react ... |
25-4-2007 at 11:48
by: Furch |
White gas?
The reaction between aqueous hydrochloric acid and aluminium is very exothermic, so there's no doubt ... |
5-4-2007 at 18:21
by: Furch |
washes and extractions
Chemrox, I just have to add that a nice way to lower the necessary amount of drying agent (100 g per ... |
4-4-2007 at 02:41
by: Furch |
Extended nomograph?
Hello!
I've gotten my hands on a new vacuum pump, and ye olde standard nomograph[1] doesn't go lo ... |
3-4-2007 at 09:12
by: Furch |
RFC - Steam Distillation Apparatus Construction
It's also doable to just drip water onto the pre-heated (above 100 C) substrate, through for instanc ... |
30-3-2007 at 06:30
by: Furch |
HNO3 -fumes?
60% HNO3 also fumes... The only reliable way to know the concentration is to titrate it with a base ... |
21-3-2007 at 16:17
by: Furch |
Prep. of EtNO2 using acetone as solv.
Sure, my common sense tells me that as well... But I also understand that for instance NaI in aceton ... |
20-3-2007 at 13:46
by: Furch |
Prep. of EtNO2 using acetone as solv.
I wonder if the standard solvents for the preparation of nitroethane from ethyl bromide and NaNO2 ca ... |
20-3-2007 at 13:00
by: Furch |
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