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Safe Destruction of Nitroethane
I am trying to find a safe method to destroy a small amount (10-50 mL) of nitroethane.
I usually ... |
6-11-2018 at 09:08
by: nimgoldman |
Everyday Chemistry
Just synthesized tetrahydroharmine (leptaflorine) from harmaline via reduction in zinc-acetic acid.
... |
27-10-2018 at 03:19
by: nimgoldman |
Sodium Ethyl Sulfate Report
Thanks for the writeup. I will try this method too.
My target is also nitroethane. Since I have p ... |
24-10-2018 at 17:30
by: nimgoldman |
Salting out ethanol and distillation
[rquote=545397&tid=61746&author=Mr. Rogers]What's wrong with using dry CuSO4?[/rquote]
I ... |
21-10-2018 at 12:26
by: nimgoldman |
Preparation of nitroethane
[rquote=545084&tid=40137&author=VSEPR_VOID]It seems like the dimethyl sulfate or sodium ethy ... |
20-10-2018 at 14:18
by: nimgoldman |
Safe disposal of wastes
[rquote=545230&tid=98885&author=Ubya]you mentioned the problem with liquid or solid waste li ... |
20-10-2018 at 14:10
by: nimgoldman |
Production of pharmaceutical grade (USP, EP, BP, JP) compounds
The purification process very well depends on the type of compound and the impurities expected.
I ... |
20-10-2018 at 14:02
by: nimgoldman |
Salting out ethanol and distillation
I tried to reproduce the experiment but I got nowhere near the results published here.
I took 200 ... |
19-10-2018 at 19:40
by: nimgoldman |
Separating DMF from water
[rquote=544584&tid=98207&author=Panache]If you have access to decent vac pump try pulling a ... |
18-10-2018 at 13:06
by: nimgoldman |
latest glassware purchase
These distillation adapters so that I can attach more efficient downward-facing condenser. I need th ... |
17-10-2018 at 12:01
by: nimgoldman |
Amateur Chemistry now vs several decades into the Future
I think the near future will give rise to more decentralized model of resource exchange, it already ... |
17-10-2018 at 11:57
by: nimgoldman |
Pyridine from Pyridine hydrochloride
[rquote=544506&tid=96433&author=Tsjerk]At least tell us what you did [/rquote]
It's in th ... |
17-10-2018 at 11:47
by: nimgoldman |
Any secrets to keeping a frit from getting clogged?
I use Celite, even thin layer usually prevents clogging in my applications.
For cleanup, I use su ... |
17-10-2018 at 04:58
by: nimgoldman |
Separating DMF from water
Based on Armarego & Chai: "Purification of Laboratory Chemicals, 7nd Edition", large amounts of ... |
17-10-2018 at 02:41
by: nimgoldman |
Pyridine from Pyridine hydrochloride
Just reporting the extraction was successful with a good yield.
Next time I have to be more scien ... |
16-10-2018 at 18:10
by: nimgoldman |
Separating DMF from water
[rquote=544258&tid=98207&author=clearly_not_atara][quote]I haven't found any info on salting ... |
16-10-2018 at 16:09
by: nimgoldman |
Preparation of nitroethane
Extracting the product with diethyl ether does not work very well as ether is miscible with DMF.
... |
16-10-2018 at 15:31
by: nimgoldman |
Separating DMF from water
I transferred the remaining impure DMF to a 1L flask for further (vacuum) distillation. It became cl ... |
16-10-2018 at 14:53
by: nimgoldman |
Separating DMF from water
As for the possible nitrosamine contamination, I can treat the water with potassium permanganate in ... |
16-10-2018 at 13:20
by: nimgoldman |
Separating DMF from water
I don't know whether I can salt it out. This is why I am asking. I haven't found any info on salting ... |
16-10-2018 at 13:08
by: nimgoldman |
Separating DMF from water
One idea could be using packed column (instead of plain Vigreux) or salting out DMF somehow. I haven ... |
16-10-2018 at 12:53
by: nimgoldman |
Separating DMF from water
After my last synthesis (nitroethane from NaNO2 + EtBr in DMF), I have ended up with DMF and water m ... |
16-10-2018 at 12:39
by: nimgoldman |
Reaction skill tree
Calcium acetate from eggshels and vinegar.
You can use it to make acetone, tofu and the flammable ... |
12-10-2018 at 21:38
by: nimgoldman |
Can Someone Explain This? -
Also when you make larger amount of solution, say 1L or 2L, then it is more practical to use volumet ... |
12-10-2018 at 21:29
by: nimgoldman |
Everyday Chemistry
My first alkyl halide - bromoethane, fractionally distilled between 38.4-38.7 °C |
12-10-2018 at 12:02
by: nimgoldman |
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