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Oxidation of light alkanes
Was thinking about some OTC sources of propanoic/butanoic alcohol/acid.. but only one I can by is pr ...
6-11-2004 at 14:21
by: frogfot
Aniline
Checked some preps on nitrobenzene reduction. With Sn/HCl they get 90-95% yield and with Fe/HCl they ...
5-10-2004 at 02:42
by: frogfot
A project everyone can pitch in on! Writing the book on chemistry.
Cool, this is very nice project. Many people will be thankful for your efforts.

How about adding ...
28-9-2004 at 00:06
by: frogfot
Preparation of ionic nitrites
I recently got some strange results with Pb/KNO3 procedure..

Melted 207 g 99,95% lead (bought fro ...
21-9-2004 at 02:34
by: frogfot
homebrew aspirator
Ok, then external pump it will be :)

[quote]
Can't you just pick up a bargain from Clas Ohl ...
15-9-2004 at 22:04
by: frogfot
Building My Lab
Thanks for the replys :) I had in mind to vent mostly single destillation setups, so I guess a 100X1 ...
15-9-2004 at 21:53
by: frogfot
Building My Lab
Any idea where one could vent fumes frome fume-hood if one lives in an appartent house with neighbou ...
15-9-2004 at 12:30
by: frogfot
homebrew aspirator
I'm currently looking for a cheap water pump to make a recirculating station too.. but I'm ...
15-9-2004 at 12:22
by: frogfot
Test for NO2
By its color :P
Letting it through water to make colorless NO, and then letting it out into air to ...
12-9-2004 at 22:47
by: frogfot
homebrew aspirator
Haha, oops, sorry HRH :o:P;)

I've tried hammer aluminium tubes. They're easy to form, b ...
12-9-2004 at 22:36
by: frogfot
homebrew aspirator
Nice pics tacho.
If hose diameter limits pumping speed, than would volume of pump do the same? With ...
10-9-2004 at 21:44
by: frogfot
homebrew aspirator
Ok, now I understand the excitement, just misunderstood you :)
Tested it the normal way like in you ...
4-9-2004 at 04:30
by: frogfot
homebrew aspirator
Why is 20 torr "to good to be true"?!?! lol It's easy to get the pressure down to wat ...
2-9-2004 at 03:50
by: frogfot
Synthesis of oxalic acid and phenols
Book is from 1961, so yp, it's rather old..
Gonna try this with KOH added. But then synth beco ...
29-8-2004 at 07:08
by: frogfot
Synthesis of oxalic acid and phenols
Got a little problem with decomposition of wood by NaOH.. I used a book procedure, where they soak 5 ...
26-8-2004 at 09:55
by: frogfot
Acetic acid/ sodium hydroxide
AA will leave and it will gradually melt.. first by dissolving in AA, and then on its own..
Importa ...
23-7-2004 at 06:57
by: frogfot
Acetic acid/ sodium hydroxide
Aha, sorry I assumed it was solid. So you had NaHSO4 in the end, cool. Since it melts at 240*C, you& ...
22-7-2004 at 11:19
by: frogfot
Acetic acid/ sodium hydroxide
Oki, tryed to distil 24% acetic acid, it came at about 100*C. Also checked CRC book (don't reme ...
21-7-2004 at 11:15
by: frogfot
Acetic acid/ sodium hydroxide
Cool, I was searching some info about toluene/water azeotropes and this thread came up :)

First o ...
20-7-2004 at 12:49
by: frogfot
Acetic anhydride preparation
KHSO4 dehydration seems to work very nicely. I've heated some, it melted and started to boil vi ...
16-7-2004 at 07:09
by: frogfot
Glycerin and soap
Oki, transesterification gave fair yields, 84%, if what I got is a pure product...
After experiment ...
16-7-2004 at 04:56
by: frogfot
toluene --> benzaldehyde
It was labgrade toluene.
Any idea if dichromates/H2SO4 could be used for this? If toluene is taken ...
15-7-2004 at 02:58
by: frogfot
Electrolysis of MgSO4
CuOH is yellow, and insoluble in water (it should dissolve in HCl, making complexes.. might be a goo ...
14-7-2004 at 02:21
by: frogfot
Glycerin and soap
Thanx alot for the links. I didn't quite understand first text since it's some kind of old ...
13-7-2004 at 08:01
by: frogfot
Glycerin and soap
Tested to crystallise pure glycerin at 0*C, nothing happened in a day. Now when you say such things ...
13-7-2004 at 00:06
by: frogfot
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