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Ethyl Acetate?
I've always shaken my impure EtOAc with a saturated CaCl2 solution and distilled after seperation gi ...
12-6-2011 at 14:41
by: rrkss
Drying Ether for Grignard
When I ran my grignard, I used a molecular sieve to dry my ether and simply CaCl2 for the alkyl hali ...
11-3-2011 at 20:15
by: rrkss
Na2SO4
Its anhydrous form is very useful in drying organic liquids
25-2-2011 at 11:25
by: rrkss
NaOH in hotel swimming pool ?
chlorine stays in solution as the hypochlorite ion when the water is alkaline and gases off as chlor ...
7-2-2011 at 11:30
by: rrkss
Chemicals in NZ. Not industrial qunatites
[rquote=200308&tid=15391&author=mewrox99]Problem is I'm only 15 so I can't say I'm using it ...
1-2-2011 at 03:07
by: rrkss
Chemicals in NZ. Not industrial qunatites
[rquote=200227&tid=15391&author=mewrox99]Yeah I was thinking about making it. Except to lega ...
31-1-2011 at 12:21
by: rrkss
Ethyl Acetate?
if the azeotrope is water, you should see two layers form when you distill the ethyl acetate. My gu ...
17-1-2011 at 16:44
by: rrkss
Ethyl Acetate?
It is, I just removed grease from one of my ties using some EtOAc, saved on a dry cleaning bill :-).
16-1-2011 at 09:28
by: rrkss
Ethyl Acetate?
The easiest way to remove the ethanol is shake it with a saturated solution of CaCl2 and H2O. What ...
15-1-2011 at 19:55
by: rrkss
Make Potassium (from versuchschemie.de)
[rquote=197956&tid=14970&author=mr.crow]tert-Butanol is really annoying. It came in a 1L bot ...
9-1-2011 at 19:11
by: rrkss
Make Potassium (from versuchschemie.de)
[rquote=197412&tid=14970&author=garage chemist]I cleaned up my potassium pieces by melting t ...
5-1-2011 at 15:19
by: rrkss
Adding organics, CHCl3, and concentrated H2SO4?
[rquote=197026&tid=15190&author=mario840]why not ?? just generate it from NaN3 and H2SO4 etc ...
1-1-2011 at 11:37
by: rrkss
Adding organics, CHCl3, and concentrated H2SO4?
Distill the the darkened CHCl3 and try again with the more pure distilled product. Usually H2SO4 is ...
1-1-2011 at 11:31
by: rrkss
Synthesis of longer chain tertiary alcohols
[rquote=196765&tid=15171&author=blogfast25]Does this mean that 3-methyl-3-pentanol would not ...
29-12-2010 at 11:05
by: rrkss
Synthesis of longer chain tertiary alcohols
I've successfully synthesized 3-methyl-3-pentanol from ethyl magnesium bromide and ethyl acetate. B ...
29-12-2010 at 09:33
by: rrkss
Sciencemadness at risk -- your help wanted
Your transaction ID for this payment is: 1BD88897F2718014D.

$25.00

Merry Christmas and best of ...
25-12-2010 at 14:55
by: rrkss
Make Potassium (from versuchschemie.de)
I've been looking at smokeless parrafin for tiki torches as a possible solvent. According to the MS ...
25-12-2010 at 14:18
by: rrkss
Possibly a Substitute for Shellsol
http://www.homedepot.com/catalog/pdfImages/ab/ab478e2b-db4c-404d-8e43-06ad0670d085.pdf

Looks like ...
22-12-2010 at 23:15
by: rrkss
Make Potassium (from versuchschemie.de)
[rquote=195566&tid=14970&author=NurdRage][rquote=195563&tid=14970&author=Nicodem] Hi ...
22-12-2010 at 00:00
by: rrkss
Salting out Caffeine
I'd use something insoluble in water. Caffeine is very soluble in chloroform and can be used as a s ...
19-10-2010 at 09:49
by: rrkss
Contact dermatits/allergies
I had a bad case of contact dermatitis after cleaning something with ethyl acetate. I reccommend a ...
1-10-2010 at 20:42
by: rrkss
Butyric acid from potatoes and water
If you can get your hands on 1-propanol. You can always react it with NaBr/H2SO4 to from 1 propyl b ...
28-9-2010 at 10:16
by: rrkss
Nitric Acid Distillation Chemical Cleanup
Another easy way is to take some table salt, pour it in and add some ice. Then shake it around. Th ...
18-9-2010 at 23:38
by: rrkss
Nitric Acid Distillation Chemical Cleanup
Try a little vinegar. Does a great job making things like this soluble.
17-9-2010 at 10:33
by: rrkss
The short questions thread (3)
I use the jkem dvr to regulate my vacuum. Bought one off of ebay. It has two ports on the back. A ...
12-9-2010 at 14:50
by: rrkss
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