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Nurdrage makes HBr
You can't distill H3PO4. It is heated in furnaces to produce polyphosphoric acid and is more or less ...
26-3-2020 at 09:40
by: UC235
Carbopol from sodium polyacrylate
[rquote=632765&tid=155038&author=Twospoons]If you have an aloe plant you can get aloe gel to ...
17-3-2020 at 20:41
by: UC235
Carbopol from sodium polyacrylate
No. However, a spray bottle of 70% alcohol should be as effective, provided you spray generously and ...
17-3-2020 at 20:16
by: UC235
separating propionyl chloride and acetonitrile
I would just codistill them and use the acetonitrile as reaction solvent. I think the more you try t ...
16-3-2020 at 07:55
by: UC235
Distinguishing plastics without analysis?
Acetone will trash polystyrene. You could also heat it with a torch. The smell of styrene is unmist ...
15-3-2020 at 20:10
by: UC235
Distinguishing plastics without analysis?
Yes, there's only a few common plastics used for this sort of thing and they have different physical ...
14-3-2020 at 06:45
by: UC235
Separating a Mixture of 1-Octanol and Octyl Acetate
Sounds like you had some charring due to high reaction temp and a relatively large amount of sulfuri ...
12-3-2020 at 18:04
by: UC235
Help in reineck salt synthesis.
The insoluble material is saved after the ice water wash. This removes more soluble impurities. The ...
7-3-2020 at 08:04
by: UC235
Acetone in chloroform
Just wash it with concentrated sulfuric acid if you want to be sure.
17-2-2020 at 07:29
by: UC235
Chlorate or perchlorate?
[rquote=631155&tid=154887&author=G-Coupled][rquote=631153&tid=154887&author=woelen]A ...
16-2-2020 at 12:43
by: UC235
Strontium nitrate from strontium carbonate
I have precipitated Sr(OH)2 before. Solubility is 0.41g/100ml ice cold and it comes out as the octah ...
10-2-2020 at 20:45
by: UC235
Extension of the Eschweiler-Clarke alkylation
The formic acid serves as reducing agent and is oxidized to CO2 in the process. Longer chain acids a ...
2-2-2020 at 11:30
by: UC235
Phenol crystals
If it cools quickly, it won't form any sort of crystals. If cooled slowly, you should get at least s ...
2-2-2020 at 08:27
by: UC235
Solvents for acid/base workups of amines?
Ether does not undergo hydrolysis and would be fine.
20-1-2020 at 16:38
by: UC235
primary amines using urea and aldehydes or ketones ?
Urea will not form any sort of imine that can be reduced since it is an amide, not an amine. Where d ...
15-1-2020 at 17:24
by: UC235
is there any resonably avalible ways to make copper (III) (any purple copper compund/complex)
I don't believe I have seen any evidence to suggest Cu(DCC)2 hydrate (or whatever it is) is a Cu(II ...
23-12-2019 at 15:13
by: UC235
Palladium recovery from 10% palladium on zinc carbonate and other question
Filter it through a celite pad, wash with acid to remove zinc. Heat celite/Pd in aqua regia. Filter ...
20-12-2019 at 21:52
by: UC235
Magpie has died
What a great loss to this community. He was a brillant experimenter and I very much enjoyed reading ...
14-12-2019 at 21:04
by: UC235
Synthesis of Hexaammine nickel II chloride
[rquote=627610&tid=154543&author=Bedlasky]Nice synthesis :). What purpose have NH4Cl?[/rquot ...
8-12-2019 at 10:10
by: UC235
Chemistry gone wrong: peroxide, pH, peculiarities
The dyes in most pH indicators are sensitive to redox and can turn unpredictable colors in the prese ...
2-12-2019 at 15:49
by: UC235
Ethyl benzoate synthesis
Did you find some other references to using azeotropic distillation for this prep? I know I used it ...
23-11-2019 at 08:37
by: UC235
Do NH4OH and S React?
More brain dribble as usual AJKOER.

Hot NaOH or KOH solutions do dissolve sulfur forming yellow-o ...
19-11-2019 at 20:14
by: UC235
Concentrating nitric acid and peforming nitration using succinic anhydride
Succinic and phthalic anhydrides are very weak dehydrating agents relative to sulfuric acid. Further ...
3-11-2019 at 14:25
by: UC235
Preparation of cinnamalacetone
Vanillylideneacetone is an undergraduate prep. I have done it several times. There are also several ...
28-10-2019 at 18:47
by: UC235
Preparation of cinnamalacetone
Note 2 here has a prep of dicinnamalacetone based off of a 1885 Chem. Ber. paper. Having gone that r ...
25-10-2019 at 16:07
by: UC235
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