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Vaccume distilling to dryness? buffer?
My answer was not aggressive, just very terse and to the point. Points 3) and 4) are of course only ... |
11-4-2010 at 12:26
by: turd |
Vaccume distilling to dryness? buffer?
I never had to throw away a flask because of organic oligomers, did you? I alway was able to clean t ... |
11-4-2010 at 09:03
by: turd |
Vaccume distilling to dryness? buffer?
This thread is neither about the fractional distillation with a column with large surface area (the ... |
11-4-2010 at 03:01
by: turd |
Vaccume distilling to dryness? buffer?
In one word: bullshit.
1) This is material for the "Beginnings" sub-forum.
2) Hopefully you apply ... |
11-4-2010 at 01:20
by: turd |
basic question of unit
Well, since the level of the thread cannot get any worse, here is the silly code. It doesn't support ... |
28-3-2010 at 13:48
by: turd |
basic question of unit
[rquote=174502&tid=13421&author=Mr. Wizard]This is an example of what was easily available i ... |
28-3-2010 at 05:13
by: turd |
1,3 - dimethylbarbituric acid, any good uses?
[rquote=174283&tid=13546&author=hstiglitz80]happened across some 1,3 - dimethylbarbituric ac ... |
24-3-2010 at 01:06
by: turd |
piperazine from ammonia?
Well, there is HCl generated during the reaction and the dihydrochloride is insoluble in the reactio ... |
18-3-2010 at 12:44
by: turd |
Tropane Chemistry
Hi, umome, just send me 100 g of 2-cis-carboxymethyl-tropinone and I will tell you if it reduces to ... |
10-3-2010 at 05:13
by: turd |
toluquinone reduction
This is a little bit cryptic - you want to reduce plain benzoquinone to hydroquinone? A weird notion ... |
10-3-2010 at 04:52
by: turd |
Ozonolysis
If you're after benzaldehydes, you might want to perform a literature search on oxidation with KMnO4 ... |
7-3-2010 at 02:37
by: turd |
synthesis of formaldehyde?
CH3OH - H2O --> CH2 (carbene)
CH3OH - H2 --> HCHO (formaldehyde)
ITYM dehydrogenation and ... |
7-3-2010 at 02:33
by: turd |
hydrohalogenation of safrole
I have never done this so I cannot be of much help, but I faintly remember from discussions on Usene ... |
1-3-2010 at 10:51
by: turd |
The lead salts preparation thread!
Co-crystallization is a strange term in this context. It probably grows crystals of PbClI, a known c ... |
22-2-2010 at 13:10
by: turd |
Hydrazine
I have a plastic bottle of ~20% N2H4 stored at room temperature. It produces a few bubbles and sligh ... |
22-2-2010 at 10:51
by: turd |
Pr-Se-Se-Pr (impure)
Yeah, Na2Se solutions definitely are colourless and they do dissolve (amorphous) Se.
The NMR did ... |
21-2-2010 at 15:38
by: turd |
Obama - Nuclear Power
[rquote=172352&tid=13425&author=IrC]While you may be used to dealing with those of low IQ yo ... |
21-2-2010 at 15:22
by: turd |
Pure 100% OTC silicon oil
You are correct. Silicon is the element, silicones are a class of polysiloxane polymers. In most oth ... |
21-2-2010 at 15:16
by: turd |
Pr-Se-Se-Pr (impure)
The authors in the reference I posted tried to make mixed dichalcogenides. Et2SSe formed readily, wh ... |
14-2-2010 at 13:34
by: turd |
Pr-Se-Se-Pr (impure)
Alkyl bromides are easily made from alcohol, NaBr and H2SO4, though this needs a classic organic che ... |
13-2-2010 at 02:48
by: turd |
4-Ethoxyphenol / hydroquinone monoethyl ether
Well..., not perfect, but already much better!
Used Ullmann's modification of the formylation on ... |
13-2-2010 at 01:30
by: turd |
Stabalizing ketone via NaHSO3
If it's plain phenylacetone, just keep it as is, if it's some (poly-)alkoxy-phenylacetone put it in ... |
13-2-2010 at 01:25
by: turd |
Pr-Se-Se-Pr (impure)
Interesting? I plan to make the whole series: disulfide, diselenide (done), ditelluride. And maybe t ... |
10-2-2010 at 09:36
by: turd |
Pr-Se-Se-Pr (impure)
In the series "Fun for the Whole Family", let me present a simple preparation of dipropyl diselenide ... |
10-2-2010 at 04:37
by: turd |
Penicillin from acetanilide??
[rquote=171237&tid=13316&author=entropy51]I agree. The peer reviewed literature is absolute ... |
6-2-2010 at 01:36
by: turd |
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