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how to prepare sand for chromatography
I would say boil it in a large round bottom flask with about half concentrated sulfuric acid with so ... |
12-8-2016 at 15:22
by: FriedBrain |
Chemistry of Terephthalic acid
Do you have any source or literature for that? I don't think that this reaction will take place at n ... |
11-9-2015 at 12:23
by: FriedBrain |
Cheap Silica Source? (Column Chromatography)
For column chromatography you need "high purity" Silica Gel, normally with a mesh of 60 to 400 and a ... |
7-9-2015 at 11:29
by: FriedBrain |
Elemental Sodium from slag
Yous used vegetable oil?! Then this clumps should be no sodium any more, since vegetable oil is a gl ... |
23-8-2015 at 20:36
by: FriedBrain |
Irrational fear of diethyl ether?
I would label them off, not just for asthetics, but because storing chemicals in food bottles is kin ... |
16-8-2015 at 21:31
by: FriedBrain |
Friedel Crafts Alkylation of Pyrene, whats wrong?
Yes, my Aluminiumchloride was pretty anhydrous, since it smoked a little bit and wasn't clumpy. And ... |
14-8-2015 at 05:53
by: FriedBrain |
Friedel Crafts Alkylation of Pyrene, whats wrong?
Hey folks,
I wanted to make some 2,7-Di-tert-butylpyrene for further synthesis (with a friend of mi ... |
13-8-2015 at 11:08
by: FriedBrain |
CCl4 Alternative ?
[rquote=415621&tid=63266&author=Sniffity]Another issue which hasn't been raised yet is the e ... |
11-8-2015 at 15:03
by: FriedBrain |
CCl4 Alternative ?
Something may be added: A friend of mine, a very good organic chemist told me once, that it can't b ... |
11-8-2015 at 11:37
by: FriedBrain |
Question on Friedel-Craft alkylation of Catechol and Dopamine synthesis
To methylate the OH- Groups of your catechol, you can take a look at [url=http://www.sciencemadness. ... |
11-8-2015 at 10:19
by: FriedBrain |
NdF3 to... anything?
For disposal of the soluble fluoride ions I would recommend to treat the solution with an excess of ... |
11-8-2015 at 09:41
by: FriedBrain |
Friedel-Crafts acylation
A wax seal, sounds interesting. Do you just melt the candles (or any other wax sources) in a contain ... |
11-8-2015 at 01:25
by: FriedBrain |
Make Potassium (from versuchschemie.de)
No, the user left the forum and deleted all his threads, because of trouble with the admin.
But the ... |
10-8-2015 at 15:27
by: FriedBrain |
Friedel-Crafts acylation
Well, what a shitty first post, just deletetd it by an accident...
Another try:
I would suspend yo ... |
10-8-2015 at 02:05
by: FriedBrain |
