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'Polyethylene Glycol 3350 NF'
I don't think that you can make glyme from this easily. Forming the methyl ether of a primary alcoho ... |
24-4-2012 at 13:19
by: garage chemist |
Making fire (youtube collaborative video)
Hydrazine hydrate can be dehydrated by refluxing with a large amount of NaOH prills at 100°C. Two p ... |
24-4-2012 at 13:09
by: garage chemist |
Making fire (youtube collaborative video)
It was yellow fuming nitric acid, vacuum distilled from H2SO4, with density of 1,52.
If I ever mak ... |
24-4-2012 at 09:36
by: garage chemist |
How to kick start the haloform reaction
The reaction should work very well with this.
Try stirring magnetically until all granules of calc ... |
23-4-2012 at 10:38
by: garage chemist |
How to kick start the haloform reaction
The white precipitate could be calcium hydroxide, since the haloform reaction produces that as a byp ... |
23-4-2012 at 10:08
by: garage chemist |
How to kick start the haloform reaction
300 gallons of water = 1137 liters, assuming US gallons are meant
800 lbs of bleaching powder = 400 ... |
22-4-2012 at 08:17
by: garage chemist |
Making Ferric (3) Nitrate solution
You can do this with 30% nitric acid since HNO3 will readily oxidise ferrous to ferric ion, even in ... |
22-4-2012 at 08:11
by: garage chemist |
How to kick start the haloform reaction
You have way too little water in there, mycotheologist!
What I think is happening is that the acet ... |
22-4-2012 at 07:17
by: garage chemist |
Making fire (youtube collaborative video)
I filmed the hypergolic reaction with HNO3 today.
The first attempt, triethylamine poured into a ... |
21-4-2012 at 11:25
by: garage chemist |
Thoughts On Anodes
http://www.sciencemadness.org/talk/viewthread.php?tid=15345
The glassy carbon anode erodes visibl ... |
20-4-2012 at 17:11
by: garage chemist |
Separation of p-nitrochlorobenzene and o-nitrochlorobenzene
You now have a slush of crystals and liquid, right? You now have to filter off the crystals from the ... |
14-4-2012 at 07:24
by: garage chemist |
Pretty Pictures (1)
Hey plastics, didn't you want to describe how you made the 2,4,6-trichlorophenol? Doesn't have to be ... |
13-4-2012 at 12:43
by: garage chemist |
Making fire (youtube collaborative video)
Since I recently made some nearly anhydrous yellow fuming HNO3 (density = 1,52 g/ml) by vacuum disti ... |
10-4-2012 at 12:26
by: garage chemist |
Separation of p-nitrochlorobenzene and o-nitrochlorobenzene
[quote]98% sulfuric acid consist of 98 mL sulfuric acid and 2 mL water.[/quote]
No, it doesn't! Co ... |
10-4-2012 at 06:16
by: garage chemist |
Separation of p-nitrochlorobenzene and o-nitrochlorobenzene
Number 9, you have fundamentally misunderstood how to make the nitrating acid. The acid *CONSISTS* o ... |
9-4-2012 at 13:46
by: garage chemist |
Easter eggs sous-vide
Sous-vide is a method of cooking in which meat or other food products are sealed into plastic bags a ... |
6-4-2012 at 05:12
by: garage chemist |
Separation of p-nitrochlorobenzene and o-nitrochlorobenzene
I have the German and the English version, unfortunately the English version does not have the chapt ... |
4-4-2012 at 10:38
by: garage chemist |
Separation of p-nitrochlorobenzene and o-nitrochlorobenzene
You obviously don't have a procedure, please get one before you attempt anything.
You're not going ... |
4-4-2012 at 09:15
by: garage chemist |
Separation of p-nitrochlorobenzene and o-nitrochlorobenzene
Yes, the p-nitrochlorobenzene is the main product, and a fair amount can be isolated simply by cryst ... |
4-4-2012 at 08:35
by: garage chemist |
Separation of p-nitrochlorobenzene and o-nitrochlorobenzene
I have some experience with this, having done the mononitration of chlorobenzene myself several time ... |
4-4-2012 at 08:11
by: garage chemist |
Making sodium iodide from iodine
It wasn't from Grignards, it was from several rather unsuccessful attempts at ethyl iodide preparati ... |
1-4-2012 at 12:09
by: garage chemist |
Making sodium iodide from iodine
I subjected the whole batch of iodine to the NaOH/hydrazine treatment today. There were some interes ... |
1-4-2012 at 11:32
by: garage chemist |
Making sodium iodide from iodine
Thank you for the procedure and advice.
Unfortunately, the iodine slurry is not only wet, it also ... |
31-3-2012 at 10:12
by: garage chemist |
ParaFormaldehyde preparation from formaline
[rquote=243167&tid=19529&author=barley81]I left a bottle of formalin in my lab during winter ... |
31-3-2012 at 08:58
by: garage chemist |
Making sodium iodide from iodine
From several batches of aqueous acidic iodide-bearing liquor I have reclaimed the iodine by precipit ... |
31-3-2012 at 08:43
by: garage chemist |
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