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Avogadro's number
Well, it seems my memory is not that reliable at all. Because I realized that one of our teachers ac ...
20-8-2019 at 14:49
by: Pumukli
Avogadro's number
I was wondering since I heard about the "mol" dimension that how did they knew it was equivalent wit ...
19-8-2019 at 23:04
by: Pumukli
Hollow Glass Stopper, Hot Plate & Retort Stand Qns
I used such a hotplate for distillations BUT I NEVER PUT any glassware directly on the heated metal ...
19-8-2019 at 04:37
by: Pumukli
Gamma-aminobutyric acid synthesis
"Also can you think of any reason for this not working."

As I'm "enjoying" the unpredictableness ...
19-8-2019 at 04:19
by: Pumukli
Hollow Glass Stopper, Hot Plate & Retort Stand Qns
I modified my own similar hotplate by installing a 2kW "power controller" or what the name of the th ...
18-8-2019 at 09:14
by: Pumukli
Tryptophan decarboxilation too tryotamine using carvone
Mackolol: First and foremost: I've never tried decarboxylating tryptophan. My experience is mostly w ...
17-8-2019 at 09:17
by: Pumukli
Ideas to make long-chain alditols
Yes, Metacelsus, you are right. Subskune explicitely wants "very long chain" polyols, this Butlerov ...
16-8-2019 at 10:58
by: Pumukli
Metal Pot on Ceramic Hotplate
WGTR's explanation does make sens I think!

Irregularities in glass beakers and other glassware is ...
16-8-2019 at 10:50
by: Pumukli
Ideas to make long-chain alditols
Aren't these sugar-like compounds made from formaldehyde polymerized with Ca(OH)[sub]2[/sub]? Are th ...
16-8-2019 at 05:55
by: Pumukli
Renewing old burette markings
Anyone tried to renew old and hardly visible markings on a burette or similar glassware?
I have dif ...
14-8-2019 at 11:11
by: Pumukli
How to make a 1 Mole Sodium Hydroxide (NaOH) solution.
"... a bottle of boiling NaOH falls down and brakes and gets splattered all over you. You get a frig ...
13-8-2019 at 21:41
by: Pumukli
Tryptophan decarboxilation too tryotamine using carvone
The decarboxylation reaction produces CO2 and this gas fills the flask, the air space in the condens ...
13-8-2019 at 02:50
by: Pumukli
My sad story.Will my dream ever become real?
A few years ago I tried to organize a hobby electronics club for the kids from the local elementary ...
11-8-2019 at 09:28
by: Pumukli
www.thosci.com
A few days ago a came across this site. I was delighted to found something "prepchem"-like. Actually ...
11-8-2019 at 08:48
by: Pumukli
diethylamine from household chemicals
I think the proposed synth would not work. SWIM already pointed out the 56 C thing. In theory it sou ...
8-8-2019 at 10:42
by: Pumukli
Hypothetically drinkable ethanol from methylated spirits
No, I did not try the rxn with ethylenebromide. I simply didn't want to contaminate the ethanol with ...
6-8-2019 at 05:34
by: Pumukli
Hydrazine
Congrats for the synth!

I'd like to second Boffis' amazement on omitting gelatine. My exact thoug ...
6-8-2019 at 05:28
by: Pumukli
Cinnamic Acid from Benzaldehyde and Acetic Acid?
Sounds plausible, though not at 16 Celsius but at 160 Celsius, in a sealed tube!
1-8-2019 at 05:48
by: Pumukli
Substitution of Magnesium Methoxide for Sodium Methoxide
My attempt to substitute NaOMe with Mg(OMe)[sub]2[/sub] in a condensation reaction became a failure. ...
31-7-2019 at 12:28
by: Pumukli
A long and hard quest, can anyone help me?
As j_sum1 said: "let us know what what you have been studying"!

What can be the F gas which react ...
28-7-2019 at 04:07
by: Pumukli
m-xylene, 2,6-xylidine and lidocaine
What would you like to do with lidocaine? Do you intend to actually use it as lidocaine is used, as ...
27-7-2019 at 11:30
by: Pumukli
Anhydrous AlCl3
First route is unknown for me. On paper, yes, but in practice how to remove the water? Refluxing wit ...
27-7-2019 at 11:10
by: Pumukli
The Short Questions Thread (4)
2-ethylhexanol why should it be brown? It is a simple aliphatic alcohol of which the C-chain isn't t ...
26-7-2019 at 20:01
by: Pumukli
Why is my zinc powder not powder???
Powder = big surface area = fast oxidation.

My zinc powder also contains bigger "chunks" and very ...
24-7-2019 at 05:05
by: Pumukli
2,3-dimethyl-2-butene chemistry
I don't know much about olefines but I can tell you that last year when I was preparing my cyclohexe ...
23-7-2019 at 11:01
by: Pumukli
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