| Search |
| [Next Page] |
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 |
Need help filtering PABA
They used ammonia because it buffers the solution. If you add too much NaOH, you make PABA sodium sa ... |
23-10-2019 at 18:02
by: UC235 |
Should 99.99% mercury contain slag? [Update from seller]
You can just let it drip through a pinhole in a folded filter paper. The oxides stick to the paper a ... |
19-10-2019 at 06:29
by: UC235 |
Need Help Separating different isomers of Halogenated Benzene Compounds
I've done this in total synthesis form from mononitration of p-toluidene in sulfuric acid, CuBr Sand ... |
1-10-2019 at 17:07
by: UC235 |
Make Cobalt Chloride from Cobalt Metal?
I just left some Co metal from ebay in excess hardware store 31.4% HCl for like a week as it was a s ... |
29-9-2019 at 18:37
by: UC235 |
selective extraction of DL-methylbenzylamine instead of fractional crystallisation
If it works on amphetamine, it should work fine on 1-PEA. might have to adjust concentrations but sh ... |
28-9-2019 at 19:42
by: UC235 |
selective extraction of DL-methylbenzylamine instead of fractional crystallisation
I did 1-PEA resolution with tartaric acid as an undergraduate experiment. There's probably a j chem ... |
28-9-2019 at 14:33
by: UC235 |
Lichen Dye Chemistry: Orcein
I actually have 3 jars going right now, attempting to produce litmus. I'm using smooth rock tripe, U ... |
24-9-2019 at 14:48
by: UC235 |
benzoic acid to benzoyl chloride ; non benzotrichloride route to hippuric acid
Ingestion of benzoate salts results in excretion of hippuric acid in the urine. It is possible to pr ... |
14-9-2019 at 12:55
by: UC235 |
Feasibility of preparing copper phthalocyanine at home
[rquote=622409&tid=153743&author=Arcaeca]Well, I have PVC-coated cotton gloves sitting in ho ... |
7-9-2019 at 17:31
by: UC235 |
Steam distillation of mint - not working?
Mint is routinely steam distilled for production of the essential oil. I think you're wildly underes ... |
30-8-2019 at 19:33
by: UC235 |
Separation of toluene and isobutanol
Why are we boiling with sulfuric acid? Toluene is sulfonated under such conditions. As a protonatabl ... |
9-8-2019 at 14:54
by: UC235 |
solubility of filter paper im phosphorus trichloride/1,1,2,2-tetrachloroethane
You're introducing a mixture containing chlorinating agents for hydroxyl groups and powerful, water- ... |
14-7-2019 at 20:26
by: UC235 |
why am i getting precipitation?!?!
If citrate solubilizes the precipitate, that would mean the solid is a poorly soluble borate salt an ... |
8-7-2019 at 19:52
by: UC235 |
Why do Ca(NO3)2 fertilizers contain NH4NO3 but not others?
Because it's usually the double salt 5Ca(NO3)2•NH4NO3•10H2O which is not classed as an oxidizer ... |
7-7-2019 at 08:48
by: UC235 |
| [Next Page] |
