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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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