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Acetic anhydride preparation
[quote]
As to the presumable reason for the failure: It is known that Ac2O acts as a catalyst for t ... |
3-12-2005 at 03:02
by: frogfot |
Work in nitrogen?
Googled up this strange "diphenylmethylisothiouronium bromide" and found the patent with t ... |
19-11-2005 at 10:59
by: frogfot |
Work in nitrogen?
Maby if you told us exactly what reagents this reaction uses, we could tell you how necessary is the ... |
19-11-2005 at 05:21
by: frogfot |
Tour My Lab
This is nice Magpie! Very inspiring 
Now I really wanna remake my polyethylene overdrawn hood to ... |
13-11-2005 at 10:02
by: frogfot |
Naphthalene derived compounds......?
Dunno if I posted this somewhere already.. but I've always wanted to try out this route:
[IM ... |
6-11-2005 at 00:40
by: frogfot |
toluene --> benzaldehyde
Any idea on how one could prevent the runaway (mentioned on synthetikal) of this persulfate oxidatio ... |
24-10-2005 at 10:33
by: frogfot |
Fume Hood Design
That's a strange metal supplier. Mine takes money for kg of metal (plus some money depending on ... |
12-9-2005 at 21:55
by: frogfot |
Fume Hood Design
[quote]
Have you ever actually done chemistry experiments near aluminum?
[/quote]
What kind of ... |
11-9-2005 at 10:46
by: frogfot |
Water scrubber
Magpie, thanks for calcing that out. 200m3/h is probably more than enough for my hood. Btw, I use ho ... |
24-8-2005 at 11:10
by: frogfot |
Water scrubber
[quote]
Would be better to do a Dyson style centrifuge.
[/quote]
Googled a bit, and if I got it ... |
22-8-2005 at 03:52
by: frogfot |
Water scrubber
I have about 100 W (radial) kitchen fan. I'm not able to calc the theoretical pressure drop.. : ... |
20-8-2005 at 23:46
by: frogfot |
Water scrubber
So I finally did some testing.. In the water pump thread I mentioned a water scrubber for use to pur ... |
20-8-2005 at 01:44
by: frogfot |
Sulfur Burner Simple Idea
Shouldn't hydrocarbons just burn..
In worst case one could stir the sulfur from time to time t ... |
19-8-2005 at 12:58
by: frogfot |
Sulfur Burner Simple Idea
Tested a successfull sulfur burner couple of days ago (just realised that this design was already pr ... |
18-8-2005 at 02:06
by: frogfot |
Hot toluene: a great solvent for sulfur
GC, I just tested the solubility of S in xylene (mix of isomers) too. 10 ml dissolved 4 g S while so ... |
17-8-2005 at 02:47
by: frogfot |
Trying to figure out what happened
mrjeffy321, just wanned to ask what anode current density do you have? |
15-8-2005 at 00:18
by: frogfot |
disulfur dichloride
[quote]
Im not sure why you would be getting H2S, are you really sure about that? Make sure your ch ... |
13-8-2005 at 10:22
by: frogfot |
disulfur dichloride
Oh, maybe I should've searched for this thread before attempting to make S2Cl2...
Those of y ... |
12-8-2005 at 01:47
by: frogfot |
Automatic fire protection
Heh, been actually reading some pages on extinguishers, and CO2 is considered to be one of the most ... |
12-8-2005 at 01:11
by: frogfot |
Automatic fire protection
Aha, so theres a mechanism that pushes the CO2 container handle.. I'd go with your second idea ... |
9-8-2005 at 23:25
by: frogfot |
Trying to figure out what happened
[quote]
I soaked the electrode in the linseed oil solution for 5 days, then let it dry out overnigh ... |
9-8-2005 at 23:10
by: frogfot |
Automatic fire protection
That system would most probably be above 100$.
Btw, I've never seen electrical valves that c ... |
9-8-2005 at 00:00
by: frogfot |
Automatic fire protection
Is there any low cost and low maintenance device(s) one could place in a chemicals locker that can b ... |
8-8-2005 at 02:42
by: frogfot |
Trying to figure out what happened
Oh, sorry, you had a graphite cathode.. I forgot this..
If your powersource gives constant regula ... |
2-8-2005 at 04:04
by: frogfot |
Trying to figure out what happened
It's really strange that copper would get into the electrolyte when the wiers are outside.. 
... |
1-8-2005 at 23:29
by: frogfot |
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