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calcium oxide preparation
Rate of CaCO3 decomposition strongly depends on temperature and particle size. 2 cm particles can be ... |
17-8-2015 at 04:55
by: byko3y |
calcium oxide preparation
I've just realized most of the CaO I purchased some time ago is just a crap. 74 g of it can be neutr ... |
17-8-2015 at 03:23
by: byko3y |
Irrational fear of diethyl ether?
You can't make grignard with MTBE. And why would I need it otherwise? I've got dichloromethane (43° ... |
16-8-2015 at 13:24
by: byko3y |
Grignard in presence of free OH
First mole of grignard reagent converts alcohol to alcoholate, second mole actually does grignard co ... |
16-8-2015 at 11:59
by: byko3y |
Is Sigma-Aldrich mad?
The government and transnational companies is the same. When you are a top player, then either refer ... |
14-8-2015 at 03:08
by: byko3y |
Is Sigma-Aldrich mad?
Tsjerk, If all the industries moved to other countries, than US and EU would become 2nd-3rd world co ... |
14-8-2015 at 01:26
by: byko3y |
Is Sigma-Aldrich mad?
AvBaeyer, nice catch, I can agree with you, but I would like to clarify some things.
Researches in ... |
13-8-2015 at 23:15
by: byko3y |
Acetic anhydride preparation
2talltman, I can't understand what are your products, because you give not temperatures. Most common ... |
13-8-2015 at 18:09
by: byko3y |
Is Sigma-Aldrich mad?
"institutions will sign deals with big suppliers like Aldrich, getting free shipping or small discou ... |
13-8-2015 at 16:12
by: byko3y |
Is Sigma-Aldrich mad?
phlogiston, no, there is no single manufacturer/distributor in china. I was answering to your argume ... |
12-8-2015 at 05:39
by: byko3y |
Is Sigma-Aldrich mad?
Tsjerk, first of all, when you buy a NaOH and you need it to be pure, you should ensure that it orig ... |
11-8-2015 at 22:19
by: byko3y |
Is Sigma-Aldrich mad?
phlogiston, Chinese are the leaders when speaking about products range, so your argument is invalid. ... |
11-8-2015 at 20:53
by: byko3y |
Is Sigma-Aldrich mad?
Tsjerk, nothing would save your reagents from improper storage, and there's a lot of cheap suppliers ... |
11-8-2015 at 08:16
by: byko3y |
Light bulb flasks
So the laws are the reason, and not recycling, because glass is something that is easier to make fro ... |
11-8-2015 at 03:27
by: byko3y |
Light bulb flasks
In my country round bottom flasks are dirt cheap, like 1$ for 250 ml one. Where should I live to hav ... |
11-8-2015 at 01:23
by: byko3y |
Is Sigma-Aldrich mad?
The actual reason why products from sigma-aldrich cost too much is because the cost of employes work ... |
10-8-2015 at 22:54
by: byko3y |
Possible OTC, 'safe' methylating agents
MeBr is a good methylation agent by itself, most likely it can be used for high temperature methylat ... |
10-8-2015 at 19:09
by: byko3y |
Question on Friedel-Craft alkylation of Catechol and Dopamine synthesis
Catechol is very prune to oxidation, you need to protect it first. [url]https://commons.wikimedia.or ... |
10-8-2015 at 18:55
by: byko3y |
CCl4 Alternative ?
Man, I was breathing with dichloromethane and chloroform fumes and I'm completely okay. Moreover, so ... |
10-8-2015 at 17:22
by: byko3y |
Anhydrous Aluminum Bromide
Lerner's book "small scale blah-blah-blah". It all pretty much direct reaction of elements, the dist ... |
9-8-2015 at 20:01
by: byko3y |
New Otc way for (new)Arylcyclohexylamines
Man, you should really start performing experiments by yourself, because the propose routes you prop ... |
8-8-2015 at 18:42
by: byko3y |
salting out
I've found that acutally sodium alkoxides are more soluble in low polar/nonpolar solvents, e.g. 2% f ... |
8-8-2015 at 16:19
by: byko3y |
salting out
The reason why potassium is used for t-Bu bases is because it interacts with DMSO and HMPA much bett ... |
8-8-2015 at 14:21
by: byko3y |
Good Energetic Materials for a Novice
HMTD is what really impressed me and showed me what the explosivee really are.
https://www.youtube. ... |
7-8-2015 at 21:17
by: byko3y |
POCL3-Phosphorus Oxychloride
There's pretty much no way to the POCl3 directly except from phosphorus halides/oxides. Well, Aqua-r ... |
7-8-2015 at 20:30
by: byko3y |
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