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Ultra pure H2O
distillation from KMnO4 and then filtration through a carbon matrix cartridge and finally through a ... |
13-10-2006 at 08:24
by: jack-sparrow |
Drying wet acetic acid.
gsd : you are right !
I just proposed the distillation method because that is the one that I use. ... |
13-10-2006 at 08:20
by: jack-sparrow |
Drying wet acetic acid.
Actualy I am distilling 6 kg of little wet acetic acid (1-2 % water). I distill the crude over 6 fee ... |
13-10-2006 at 04:32
by: jack-sparrow |
Swim et al.
It may sound stupid, but what does SWIM means ? |
13-10-2006 at 04:24
by: jack-sparrow |
Nitrogen inflated tires !
I dont think it is an oxidation issue. Partial pressure of oxygen in air is 0.2 atm. Assume a tire c ... |
6-9-2006 at 07:06
by: jack-sparrow |
4-hydroxybenzoic acid synthesis
Hi, I am still struggling to get a good protocol for this prep. If possible, something that gives th ... |
25-8-2006 at 11:11
by: jack-sparrow |
mass balance question
You don't calculate the Ke. You can find it in chemical thermodynamics tables.
If the reaction is ... |
25-8-2006 at 09:30
by: jack-sparrow |
Another funny hoax
Here is a natural product sold in quebec, canada. It is a source of positive and negative electrons. ... |
24-8-2006 at 07:13
by: jack-sparrow |
Nitrogen inflated tires !
Here is a funny article from CBC news in canada :
source : http://www.cbc.ca/story/news/national/ ... |
24-8-2006 at 07:07
by: jack-sparrow |
Ethanol From Ethene
It reacts rapidly but I think it is an equilibrium. If you want to drive the reaction, you have to u ... |
23-8-2006 at 11:20
by: jack-sparrow |
Ethanol From Ethene
Lot of heat, lot of pressure, no good yield.
You can make acetaldehyde from ethylene by the wacke ... |
23-8-2006 at 07:38
by: jack-sparrow |
Distillation column packing
Thank you I will check them out. |
22-8-2006 at 04:26
by: jack-sparrow |
Microwaved foods
First, domestic microwave ovens use multiple frequencies and the power is distributed between these ... |
21-8-2006 at 12:58
by: jack-sparrow |
Distillation column packing
Hi, I am looking for experimental data for distillation column packing like glass helices, raschid r ... |
21-8-2006 at 12:44
by: jack-sparrow |
a-halogenation of carboxylic acids...
You can try R-CH2-COOH with N-bromosuccinimide in dichloromethane at reflux for 2 weeks. It works fo ... |
21-8-2006 at 12:17
by: jack-sparrow |
calculating moler ratio of acids solutions?
I mole of HCl IS 36.5 g/mol so you divide 36.5 / 0.3145 to get :
116 g of HCl solution at 31.45 % ... |
10-8-2006 at 08:09
by: jack-sparrow |
calculating moler ratio of acids solutions?
you have to divide your needed mass of acid by its concentration:
36.47 g / 0.3145 = 116 g of sol ... |
10-8-2006 at 05:08
by: jack-sparrow |
benzyl alcohol -> benzyl chloride
Very simple, put your Bz-OH in a separation funnel along with 20 volumes of HCl 37%, shake and let d ... |
8-8-2006 at 07:35
by: jack-sparrow |
allyl alcohol
20 % is not surprising for this method. You lose a lot of oxalic acid by side-reactions and decompos ... |
8-8-2006 at 07:30
by: jack-sparrow |
glycerol and triethylorthoformate
Hi, I recently discovered ( in the litterature), a new route to allyl alcohol. I tried it 3 times an ... |
31-7-2006 at 10:48
by: jack-sparrow |
Need suggestions on method to remove water from the ionic soluton ......
I agree with Nicodem, these imidazolium are so hygroscopic that the chinese researcher probably conf ... |
1-6-2006 at 12:10
by: jack-sparrow |
Precise B.P. of Ethanol
Boiling point varies with the atmospheric pressure. It will not be the same at 99 kPa or at 102 kPa ... |
3-5-2006 at 09:33
by: jack-sparrow |
obtaining a substituted benzylchloride
Cloner : You are right. Let's say you want to make 1-phenyl-1-chloropropane. You do the grignard of ... |
13-4-2006 at 04:57
by: jack-sparrow |
4-hydroxybenzoic acid synthesis
thank you Solo, I will try to get a hand on this paper.
Thank you caribou but I already tried tha ... |
13-4-2006 at 04:51
by: jack-sparrow |
4-hydroxybenzoic acid synthesis
Hi, I am looking for a good method to synthesize 4-hydroxybenzoic acid.
 Thanx |
12-4-2006 at 10:22
by: jack-sparrow |
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