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

Search
[Next Page]
ammonium chloride purification
Although Ajoeker's path would work, given that Na2SO4 is much less soluble at low temp than the othe ...
13-3-2017 at 02:17
by: PirateDocBrown
Cleaning Water out of Graham Condenser
Yes, oven. A solvent like acetone, as gdflp says, though I mostly use methanol.
12-3-2017 at 19:40
by: PirateDocBrown
looking for a good proceedure for methylamine
Just steal some from a passing train.

Seriously, I have made it myself from sulfamic acid, which ...
12-3-2017 at 19:00
by: PirateDocBrown
Going above temp on Haloform reaction Acetone and Bleach?
Add it in portions, and cool down between.
12-3-2017 at 18:56
by: PirateDocBrown
Going above temp on Haloform reaction Acetone and Bleach?
You will also evaporate off your product.

Start with your bleach ice cold, and you won't have thi ...
12-3-2017 at 03:12
by: PirateDocBrown
Making bromine (super cheap and easy, no destillation, quantitative yield)
My experience is that to make bromine from bromide, the cleanest and best oxidizer is hydrogen perox ...
12-3-2017 at 02:43
by: PirateDocBrown
Thoughts on a cheap vacuum pump?
Modding a fridge pump seems silly vs. spending 50 bucks.

[Edited on 3/11/17 by PirateDocBrown]
10-3-2017 at 09:11
by: PirateDocBrown
Thoughts on a cheap vacuum pump?
Been looking at this:

https://www.amazon.com/Super-Deal-Single-Stage-3-5CFM-Refrigerant/dp/B016ZS ...
10-3-2017 at 08:57
by: PirateDocBrown
how to get make a nitrogen atmosphere?
One inexpensive route could start using automotive refrigerant. It's cheap and readily available, ev ...
8-3-2017 at 15:32
by: PirateDocBrown
Double Bank vacuum manifolds (3, 4 or 5 port) - what are they useful for?
https://www.youtube.com/watch?v=my1YR35W7Co
7-3-2017 at 12:29
by: PirateDocBrown
50l Chemglass reaction vessel with motorized overhead stirrer - Any interest?
Wow! Wish I had that kinda cash to drop.
6-3-2017 at 21:30
by: PirateDocBrown
Ideas for OC synthesis with OTC starting materials
This is not really an OC synthesis. This is biochem. Note all catalytic factors are enzyme proteins. ...
6-3-2017 at 15:41
by: PirateDocBrown
Chemglass products - what are the thoughts on the quality of their products?
Professional quality stuff. Sure, there's problems with any company, but inside the US, they are in ...
6-3-2017 at 10:28
by: PirateDocBrown
fluoride from toothpaste?
5 pounds of powdered fluorspar from Seattle Pottery is $5.75, plus shipping.

http://www.seattlepo ...
6-3-2017 at 07:39
by: PirateDocBrown
Products of MgSO4 electrolosis and separation
Separating copper from magnesium is not difficult.

Re-solubilize them with HCl, then bubble in H2 ...
3-3-2017 at 09:34
by: PirateDocBrown
Extraction of ethanol from gasoline
I once contemplated extraction of ethanol from E-85 as well.

But I did a bit of research, and fou ...
2-3-2017 at 09:10
by: PirateDocBrown
Vacuum pressure question
Could be helpful to get a good lab barometer.
2-3-2017 at 08:06
by: PirateDocBrown
Trying to clean up denatured alcohol.
Two hours hydrolysis ought to be more than enough.

I'd go ahead and just do a total strip distill ...
11-2-2017 at 12:10
by: PirateDocBrown
Decided on a goal - chloramphenicol.
Good questions have been raised, meaning I'm going to have to do some more research and likely model ...
10-2-2017 at 18:21
by: PirateDocBrown
Decided on a goal - chloramphenicol.
Yes, that's what I'm now looking into.
10-2-2017 at 07:07
by: PirateDocBrown
Decided on a goal - chloramphenicol.
Yes, in my previous post I do refer to enantiomeric resolution. But I'm going to concern myself with ...
10-2-2017 at 06:40
by: PirateDocBrown
Decided on a goal - chloramphenicol.
The first step would be halogenation of the terminal methane of the p-NO2 acetophenone. This would b ...
10-2-2017 at 02:25
by: PirateDocBrown
Decided on a goal - chloramphenicol.
Well, I'm going to aim at racemic synthesis at first, and worry about stereochemistry after.

The ...
10-2-2017 at 02:11
by: PirateDocBrown
Decided on a goal - chloramphenicol.
I have been watching NurdRage's total synthesis on pyrimethamine with great interest and admiration. ...
9-2-2017 at 20:51
by: PirateDocBrown
Table salt heating bath?
This fellow made plaster heating mantles:

https://www.youtube.com/watch?v=QKFC0ke_DOU&t=315s
...
9-2-2017 at 19:35
by: PirateDocBrown
[Next Page]

  Go To Top