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How do you clean stubbornly dirty glassware when no solvent seems to work?
I generally put in a bit of nitric acid and boil it with a Bunsen burner.
19-7-2018 at 20:05
by: DraconicAcid
Nitrostyrene reduction using NaBH4/CuCl2
[rquote=524484&tid=84596&author=wildfyr]I just experimentally checked the solubility, the is ...
18-7-2018 at 17:12
by: DraconicAcid
Hydrochloric Acid from Toilet Cleaner
The water should also distill over. That being said, it's always a good idea to make sure you have ...
17-7-2018 at 13:17
by: DraconicAcid
Understanding a paper on eugenol extraction from clove oil
Just keep heating it to 60 oC until DCM stops coming over.
16-7-2018 at 19:46
by: DraconicAcid
Everyday Chemistry (provisional)
I tried to convince my dean to look for funding for a benchtop NMR spectrometer.
13-7-2018 at 14:21
by: DraconicAcid
Understanding a paper on eugenol extraction from clove oil
Agreed. After acdification, extract with an organic solvent and dry with sodium sulphate.
13-7-2018 at 10:16
by: DraconicAcid
Preparation of transition metal nitrites
I made K4[Ni(NO2)6] once. Someone here gave me the prep.
12-7-2018 at 10:45
by: DraconicAcid
News story about EPA
It's from October, so it's less than a year old.
9-7-2018 at 13:23
by: DraconicAcid
Pepper to Piperine problem
I'm only interested because its a cool extraction for my students to do.
7-7-2018 at 19:42
by: DraconicAcid
Having dreams/nightmares about chemicals
I just had a dream where I was doing a demo for my class- the standard elephant's toothpaste demo, e ...
7-7-2018 at 07:58
by: DraconicAcid
Pepper to Piperine problem
Yesterday, I was playing with this. I've got several different versions of this experiment- some ex ...
6-7-2018 at 14:59
by: DraconicAcid
Everyday Chemistry (provisional)
Tested different versions of the piperine extraction from black pepper lab.
5-7-2018 at 20:01
by: DraconicAcid
Everyday Chemistry (provisional)
I tested some labs for the organic course. You would think a simple acid-base separation of cinnami ...
28-6-2018 at 10:19
by: DraconicAcid
Starting from benzene...
The first few steps could be replaced by the FC rxn of benzene and dichloromethane.
28-6-2018 at 09:49
by: DraconicAcid
First and second group metal carbonyls possible?
[rquote=522902&tid=84438&author=clearly_not_atara]I'm pretty sure that instead of "metal car ...
28-6-2018 at 09:48
by: DraconicAcid
An interesting preparation of potassium chromate
The rate determining step in this reaction is the dissolution of Cr2O3 in base to give [Cr(OH)4]-. ...
27-6-2018 at 08:44
by: DraconicAcid
Reduction of 4-nitrobenzoic acid
Not sure if this is helpful, but Merck says that benzocaine is synthesized industrially by the reduc ...
22-6-2018 at 10:56
by: DraconicAcid
Dimethylglyoxime
Methanol should be fine.
13-6-2018 at 18:21
by: DraconicAcid
Need help with growing crystals of sodium cobalt oxalate complex
I haven't tried the cobalt complex, but the analogous copper complex crystallizes best with cooling. ...
13-6-2018 at 09:58
by: DraconicAcid
Polar solvents
Yes, but I would expect the aluminum in tetrachloroaluminate would be more easily reduced than the s ...
11-6-2018 at 15:38
by: DraconicAcid
Polar solvents
If you want a sodium salt to dissolve in an organic solvent, you'd want an anion that is big and org ...
11-6-2018 at 14:21
by: DraconicAcid
Polar solvents
How polar do you want? THF is more polar than diethyl ether, and so are the glymes.
11-6-2018 at 12:33
by: DraconicAcid
Help verify solubility data
[rquote=521305&tid=83874&author=Bezaleel]I have some doubts about how trustworthy the table ...
11-6-2018 at 11:19
by: DraconicAcid
Nickel(II) something-nate sludge
[rquote=518883&tid=82896&author=fusso][rquote=518273&tid=82896&author=DraconicAcid]I ...
22-5-2018 at 17:28
by: DraconicAcid
Weird side product when making copper acetate
Copper(II) acetate will hydrolyze to give basic copper acetate in the absence of excess acetic acid.
22-5-2018 at 17:16
by: DraconicAcid
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