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Preparation of solid aluminium isopropoxide
The stuff you bought was probably 91% already. There's no need to reflux it with anything, although ...
19-3-2010 at 11:29
by: entropy51
hydrogen peroxide(again? wtf..)
Did you try a search? There are threads on this.
17-3-2010 at 17:13
by: entropy51
Experimenting with mercury
But [url=http://en.wikipedia.org/wiki/Neosalvarsan]organic arsenic[/url] was much more effective in ...
14-3-2010 at 17:16
by: entropy51
Bromine Source and Synthesis
Bromine does not stain glassware, at least not clean glassware. It might color traces of grease alr ...
13-3-2010 at 12:48
by: entropy51
veratric acid
[rquote=173549&tid=13500&author=UnintentionalChaos]JohnWWW- formyl chloride is unknown excep ...
12-3-2010 at 06:35
by: entropy51
concentrating household ammonia?
[rquote=173523&tid=13442&author=agorot]
I'm also concerned that I wouldn't get something ve ...
12-3-2010 at 05:04
by: entropy51
concentrating household ammonia?
[rquote=173511&tid=13442&author=agorot] I wonder if there is some nitrogen-fixing bacteria t ...
11-3-2010 at 18:28
by: entropy51
Bromine Source and Synthesis
In an attempt to see why the preparation of Br2 didn't seem to work for Woelen, I repeated this on a ...
11-3-2010 at 13:18
by: entropy51
Transform DMSO gel into Liquid ?
The melting point of DMSO is 18.5 C. Is it "frozen"? If so warm it up a tad. It also can be fairl ...
10-3-2010 at 14:01
by: entropy51
Tartrazine and other azodyes
[b]Search and ye shall find[/b]
[rquote=137837&tid=11276&author=Klute]EIDt: Got ya!


[q ...
10-3-2010 at 12:47
by: entropy51
'Continuous' distillation?
[rquote=173421&tid=13064&author=bbartlog]I fermented cane sugar, but my process was quite sl ...
10-3-2010 at 07:54
by: entropy51
Preparation of elemental phosphorus
[rquote=173361&tid=65&author=Magpie]
It seems like all home chemists wore ties in the old d ...
10-3-2010 at 05:59
by: entropy51
'Continuous' distillation?
What [i]are[/i] you guys fermenting? I've made EtOH a couple of times by fermenting cane sugar or c ...
10-3-2010 at 05:47
by: entropy51
Great Online Chemistry Texts for the Beginner and the Curious!
[rquote=173365&tid=6664&author=JohnWW]Re Franklyn's 3 books, above, on books.google.com: The ...
10-3-2010 at 05:37
by: entropy51
Temperature Control for an electric Oil Bath
According to this [url=http://msds.chem.ox.ac.uk/LI/linseed_oil.html]MSDS[/url] linseed oil has a fl ...
9-3-2010 at 18:35
by: entropy51
Capex L2C Vacuum Pump
Well, the boiling points will be somewhat less than at atmospheric pressure. It should be fine for ...
9-3-2010 at 13:00
by: entropy51
Preparation of elemental phosphorus
An experiment along these lines is described on page 74 of the July 1938 [url=http://books.google.co ...
9-3-2010 at 11:09
by: entropy51
Capex L2C Vacuum Pump
[quote]Usually you can do better with an aspirator.[/quote]Actually you can [i]always[/i] do better ...
9-3-2010 at 07:03
by: entropy51
Bromine Source and Synthesis
One difference in my method was the use of KBr instead of NaBr. According to my notes I used 25 gm ...
7-3-2010 at 13:02
by: entropy51
Bromine Source and Synthesis
Without balancing the equation, acidifying the hypochlorite makes Cl2, which just displaces the Br2 ...
6-3-2010 at 09:00
by: entropy51
Bromine Source and Synthesis
There is a prep somewhere on the internet for bromine water. It's basically dissolving KBr in dilut ...
6-3-2010 at 08:46
by: entropy51
BIZARRE BIZARRE Help!!! Bioluminsescence!
[url=http://warnell.forestry.uga.edu/service/library/for99-021/for99-021.pdf]Foxfire[/url] not uncom ...
5-3-2010 at 12:27
by: entropy51
Acetic anhydride preparation
[rquote=173108&tid=9&author=Waffles SS]I did this reaction
That was unsuccessful.no anhydri ...
5-3-2010 at 12:21
by: entropy51
Ozonolysis
[rquote=173068&tid=13467&author=Melgar]Like I said, that's why you have to use chloroform, a ...
4-3-2010 at 18:27
by: entropy51
Ozonolysis
[rquote=173060&tid=13467&author=aonomus]Isn't ozonolysis the one thats liable to explode at ...
4-3-2010 at 16:28
by: entropy51
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