Sciencemadness Discussion Board
Not logged in [Login - Register]
Go To Bottom

Search
[Next Page]
Benzoquinone from Paracetamol
I am swamped with work tonight, but I'll definitely start on it before this weekend.
17-1-2017 at 17:35
by: JJay
latest glassware purchase
If you're doing reflux and addition with overhead stirring while monitoring the temperature, it is d ...
17-1-2017 at 14:49
by: JJay
Benzoquinone from Paracetamol
The solution actually wasn't pink to my eyes... more of a yellow to brown color. There was a trace ...
17-1-2017 at 13:32
by: JJay
latest glassware purchase
For those times when three necks isn't enough. This flask appears to be the Chinese "GG-17" brand, w ...
17-1-2017 at 13:01
by: JJay
Benzoquinone from Paracetamol
@Boffis: I was seriously considering giving that a try but figured that since the reaction was so si ...
16-1-2017 at 23:16
by: JJay
When Chemistry Goes Wrong
Today I tried extracting around 700 mL of solution with 30 mL of ether, only to see the organic laye ...
16-1-2017 at 22:50
by: JJay
Benzoquinone from Paracetamol
Here's the problem I'm running into with ether: it's too soluble in water! I added 30 mL of ether to ...
16-1-2017 at 22:22
by: JJay
Benzoquinone from Paracetamol
Whoah.. after turning off my stirrer, something interesting is happening! The manganese dioxide part ...
16-1-2017 at 21:12
by: JJay
Benzoquinone from Paracetamol
I was just reading over the paper to figure out how fast the reaction should go, and I think I found ...
16-1-2017 at 20:36
by: JJay
Benzoquinone from Paracetamol
When I poured in the permanganate, I could see a definite brown color of manganese dioxide forming b ...
16-1-2017 at 19:45
by: JJay
Benzoquinone from Paracetamol
I'm ready to start the reaction.

Reading over that paper again, the calculations they made to est ...
16-1-2017 at 19:30
by: JJay
Benzoquinone from Paracetamol
[rquote=472117&tid=8250&author=JnPS]I followed JJay's little mini-write up for oxidizing par ...
16-1-2017 at 15:12
by: JJay
Benzoquinone from Paracetamol
I am not sure if benzoquinone will dissolve in DCM. It does dissolve in ether and chloroform.

Her ...
16-1-2017 at 14:58
by: JJay
Benzoquinone from Paracetamol
They did an ether extraction of the distillate (after filtering) to obtain about 20% more product. T ...
16-1-2017 at 08:18
by: JJay
Benzoquinone from Paracetamol
Here's the problem with that approach: There's only a small amount of benzoquinone in the reaction m ...
16-1-2017 at 07:32
by: JJay
Benzoquinone from Paracetamol
Interesting... I guess you could run the steam distillation like a simple distillation and then extr ...
16-1-2017 at 01:44
by: JJay
Sodium Ethyl Sulfate
I just ran across this paper on the kinetics of the reaction between ethyl alcohol and sulfuric acid ...
15-1-2017 at 22:19
by: JJay
Benzoquinone from Paracetamol
I'd say do the extraction in two steps. I'm not really sure what boiling off the water would do.
15-1-2017 at 20:50
by: JJay
Silver sulfate
I think you could dissolve it in water with, say, potassium nitrate and precipitate the silver with ...
15-1-2017 at 18:43
by: JJay
after packing chromatography column
How much material can be reasonably separated in a 50 mL burette? I realize that there's probably no ...
15-1-2017 at 18:26
by: JJay
Benzoquinone from Paracetamol
I have a crop of acetaminophen crystals growing in the freezer. They don't look as nice as BlackDrag ...
15-1-2017 at 18:23
by: JJay
Sodium Ethyl Sulfate
Where is that reported? I think you're confused.

You can't even use the common ion effect to cras ...
15-1-2017 at 18:13
by: JJay
Sodium Ethyl Sulfate
You can't use the common ion effect to eliminate sulfates with ethylsulfate ions.
15-1-2017 at 15:55
by: JJay
Sodium Ethyl Sulfate
Why would sodium sulfate be more hydrophilic than ethanol, sulfuric acid or even ethyl sulfate? Also ...
15-1-2017 at 13:10
by: JJay
Sodium Ethyl Sulfate
[rquote=472012&tid=1113&author=alking][rquote=472010&tid=1113&author=JJay]I don't th ...
15-1-2017 at 10:04
by: JJay
[Next Page]

  Go To Top