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Storage for Sulfuric Acid (H2SO4)
100 Kg concentrated sulfuric acid is shipped and stored in blue HDPE in these parts.
Pigmented PE ... |
13-7-2006 at 04:43
by: bio2 |
IPA extraction question
I tried PhMe, benzene and hexanes to form the ternary azeotrope for water removal. Benzene works be ... |
19-6-2006 at 05:11
by: bio2 |
IPA extraction question
.....pre-treatment with a high capacity
drying agent is helpful ........
Like salt (NaCl) maybe ... |
15-6-2006 at 04:38
by: bio2 |
IPA extraction question
Benzene or toluene as entrainer will
remove the water as ternary azeotrope.
It's somewhat tediou ... |
15-6-2006 at 03:59
by: bio2 |
Today's accepted 'cool' way of doing 'science'!
There is a book "Deliberate Dumbing Down"
forget the auther but listened to her on the Jeff Rense t ... |
14-6-2006 at 23:14
by: bio2 |
Today's accepted 'cool' way of doing 'science'!
The article in Wired on amature chemistry
said some highschool chem teachers have
to check (sign) ... |
14-6-2006 at 04:08
by: bio2 |
How to increase the yield of steam distillation?
..... unless a milk like emulsion of phenylacetone in water is desired......
A very simple way th ... |
9-6-2006 at 02:52
by: bio2 |
40% aqueous MeNH2.HCl question
.... distill the formate at exactly 53 deg in 3 or 4 hours, as one person suggested No way! It alway ... |
1-6-2006 at 02:39
by: bio2 |
Friedel Crafts with Al-amalgam
...It is not necessary to prepare amalgam of Al; .........
By this you mean separately I quess. T ... |
19-5-2006 at 01:56
by: bio2 |
Test tube sizes?
Take a look at the Pyrex or Kimax technical material
where all this is explained. |
19-5-2006 at 01:46
by: bio2 |
10% methylamine solution
.....f the reactants are mixed dry, and assuming a molar excess (say 2:1) of NaOH, what are the chan ... |
18-5-2006 at 03:49
by: bio2 |
10% methylamine solution
...She was dripping a con. aq. solution of NaOH onto MeNH2.HCl. The gas was directed into a flask co ... |
17-5-2006 at 03:48
by: bio2 |
Friedel Crafts with Al-amalgam
Beer can Al alloy isn't so pure, wonder what the secret is?
Shitty yields maybe.
Found this same ... |
17-5-2006 at 03:26
by: bio2 |
residual solvent
IPA doesn't react as readily as lower alcohols with CaCl2
.........drying condition is 80°C und ... |
17-5-2006 at 03:05
by: bio2 |
Thermal Decarboxylation - Alkyl Phenyl Ketones
Iron can be reduced in a few minutes by
being the Cathode in an electrolytic cell.
Turnings in a n ... |
16-5-2006 at 03:21
by: bio2 |
Sealing HDPE from gasoline/additives
The HDPE jerry cans that are "fluorocarbon" coated, how are those made?
Elemental F? Maybe HF cou ... |
15-5-2006 at 16:24
by: bio2 |
Friedel Crafts with Al-amalgam
This is the source reference which I neglected to post.
EXPERIMENTAL ORGANIC CHEMISTRY
BY JAME ... |
15-5-2006 at 15:14
by: bio2 |
Friedel Crafts with Al-amalgam
Note that this is a catalytic amount!
Does anyone know of other substrates that work with this t ... |
15-5-2006 at 01:40
by: bio2 |
Unusual glassware (what is it for?)
Top piece is cold finger for the sublimator. |
13-5-2006 at 17:50
by: bio2 |
Extractors
....'d imagine the problem with PVC would be softening,.....
LOL, more like dissolving with many ... |
8-5-2006 at 23:45
by: bio2 |
Extractors
.....Has anyone else apart from me tried making a big Soxhlet out of plastic parts?......
Yep, I ... |
7-5-2006 at 23:37
by: bio2 |
Benzene synthesis
.... I additionally think a reflux condenser would be most useful in this case to prevent DMSO from ... |
7-5-2006 at 18:24
by: bio2 |
toluene --> benzaldehyde
You really need to give more details on the reaction parameters such as electrode material, current ... |
9-3-2006 at 04:41
by: bio2 |
Wet or dry IPA for MeNH2.HCl etxtraction
.......I also know you don't have to recrystalise MeNH2.HCl if you filter out the NH4Cl at the right ... |
4-3-2006 at 04:08
by: bio2 |
Depolymerization of Styrofoam
Patent written in Chinese.
Application: CN 94-119654 19941215. CAN 124:316760 AN 1996:285029
CAPLU ... |
3-3-2006 at 03:59
by: bio2 |
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