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Thin layer chromatography (TLC)
Thanks for that advise, I forgot about complmentary colors. I'll dig up some red plastic sheets ... |
29-3-2005 at 13:07
by: frogfot |
Thin layer chromatography (TLC)
Alrighty, got myself an UV lamp, 4W, powered from 4X1,5 AA baterries. Originally used to check the m ... |
29-3-2005 at 09:31
by: frogfot |
Lactose from Milk
On heat ofcaurse.. cause it says cool after.
I took a rest from the lactose experimenting.. did t ... |
28-3-2005 at 13:19
by: frogfot |
DIY - Diaphragms
Yeah, but HSO4- isn't that strong acid.. So following happenns: CaSO4 + H+ --> Ca++ + HSO4- |
25-3-2005 at 22:46
by: frogfot |
OTC diethylamine, the easy way
Have a feeling that DEET is hard to hydrolyse due to shielding of carbonyl group. But anyway, easies ... |
25-3-2005 at 13:21
by: frogfot |
DIY - Diaphragms
Gypsum is soluble in strong acids..
Anyone used the car battery membranes in any experiment? I sa ... |
25-3-2005 at 12:27
by: frogfot |
distillation practice
One can also get away with heating small roundbottomed flasks on stove, when dealing with liquids wi ... |
19-3-2005 at 23:51
by: frogfot |
Lactose from Milk
Thanks, for the info and scans, really appreciated. There seems to be no big deviations from the pro ... |
19-3-2005 at 00:30
by: frogfot |
Lactose from Milk
Does that book have anything about isolation of lactose from milk?
Reason I'm asking is beca ... |
18-3-2005 at 05:36
by: frogfot |
Thin layer chromatography (TLC)
I never use longer plates than 5 cm. Though I never thoat that efficiency would be increased if plat ... |
14-3-2005 at 23:46
by: frogfot |
Thin layer chromatography (TLC)
Would be nice if clay alone could be used for this, though I doubt that it has much smaller particle ... |
13-3-2005 at 00:48
by: frogfot |
Thin layer chromatography (TLC)
TLC seems to be one of the few effective analysis techniques that are realistic to obtain for an ama ... |
11-3-2005 at 14:34
by: frogfot |
Pump for high temperature liquids.
Wire heater sure sounds cleaner.. maby a layer of heat leading material around the wire would help t ... |
24-2-2005 at 23:17
by: frogfot |
Thermal Decarboxylation - Alkyl Phenyl Ketones
Thanks for this good info!! I didn't know one could use usual glass equipement for this.. gonna ... |
23-2-2005 at 09:51
by: frogfot |
Chlorine
Liquifying chlorine is a bit scary. I do smelly things in homemade fume hood that could vent an accc ... |
18-2-2005 at 12:02
by: frogfot |
Chlorine
GC, what was the yield of chloroform?
Lately I've been in demand of big amounts of cheap chl ... |
18-2-2005 at 05:48
by: frogfot |
DIY magnetic stirrer
How about an external electrical magnetic stirrer? I've drawed the whole thing to ease the expl ... |
15-2-2005 at 05:34
by: frogfot |
Introducing an extra carbonyl group
Cool, thanks for the patent. I'm sure that their general procedure for oximinopropiophenone can ... |
14-2-2005 at 13:16
by: frogfot |
PbSO4 dissolution equilibrium
Some time ago I've calculated how much PbSO4 can dissolve in dilute H2SO4, but now I'm not ... |
13-2-2005 at 13:57
by: frogfot |
Introducing an extra carbonyl group
Found some very interesting reaction in my course book:
[IMG]http://img.photobucket.com/albums/v1 ... |
13-2-2005 at 11:09
by: frogfot |
Acetic acid/ sodium hydroxide
Nope, I couldn't actually find it in my previous attempts. Would usual clay do the trick?
But ... |
13-2-2005 at 01:02
by: frogfot |
Acetic acid/ sodium hydroxide
Oki, the first H2SO4/calcium acetate/ethyl acetate experiment failed. Neutrino, you were right about ... |
12-2-2005 at 06:46
by: frogfot |
THF ( tetrahydrofuran)
[quote]
'... 1.5kg of dry corn cobs...'. Therefore I think they do intend the dry weight. ... |
9-2-2005 at 12:52
by: frogfot |
THF ( tetrahydrofuran)
Is there an OTC source for pentoses? That acid catalysed preparation of furfural would probably work ... |
9-2-2005 at 08:57
by: frogfot |
Methyl benzoate synthesis
Multiple extractions shouldn't increase yield much, as you've mentioned, because of produc ... |
8-2-2005 at 13:24
by: frogfot |
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