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thermal dissociation of LAH
I have read that LAH thermally dissociates when dissolved in ethyl ether. I'm wondering what this me ... |
22-4-2015 at 01:38
by: soma |
solubility of LAH
"The solubility of LiAlH4 in ether is 35-40 g/100 g of ether, but obtaining this solubility requires ... |
21-4-2015 at 01:30
by: soma |
100ml buret and leveling bulb for gas measurement?
I'm looking for a setup like the one in this video:
www.youtube.com/watch?v=5S7_GmDM1XY |
30-9-2014 at 00:17
by: soma |
100ml buret and leveling bulb for gas measurement?
I'm looking for (at least) 100 ml buret and a leveling bulb to be used for gas measurement. I've see ... |
29-9-2014 at 11:15
by: soma |
Science equipment looking for a home
Would you have a 100ml buret and a leveling bulb suitable for gas measurement? |
28-9-2014 at 23:24
by: soma |
gas calculations
Thanks. |
9-9-2014 at 14:03
by: soma |
gas calculations
I'm new to figuring out gas calculations and wanted to check to make sure I did it right.
LiAlH4 ... |
9-9-2014 at 13:48
by: soma |
LAH solvation
The Chemetall literature on LAH says " In general the "solvation power"
follows the order: diethyl ... |
4-9-2014 at 22:52
by: soma |
percolating ether through sieve
I read that a good method of drying ether is to "percolate" it through a column of molecular sieve. ... |
5-7-2014 at 09:33
by: soma |
molecular sieve capacity
I've wondered why someone would want to reflux (or distill) dioxane from LAH since dioxane boils at ... |
9-6-2014 at 12:05
by: soma |
molecular sieve capacity
Actually, it's "anhydrous" ether with 2% ethanol stabilizer. I was going to add sieve to dry it more ... |
7-6-2014 at 11:35
by: soma |
molecular sieve capacity
I've read that molecular sieve can adsorb up to 22% it's weight in water. Would the number of molecu ... |
6-6-2014 at 13:58
by: soma |
how to get pH of colored solution
I want to get the pH of a darkly colored solution. Don't want to use a meter cause it would clog the ... |
23-4-2014 at 15:12
by: soma |
method for purification of LAH
[rquote=325818&tid=29602&author=Dr.Bob]
If you are looking for enclosed frit funnels, I hav ... |
21-4-2014 at 02:53
by: soma |
method for purification of LAH
[rquote=325302&tid=29602&author=zed]Same reduction? I've never heard of such a problem. [/q ... |
3-4-2014 at 23:27
by: soma |
method for purification of LAH
I once had really pure white LAH years ago. The reaction took 1/2 hour at room temperature. These da ... |
21-3-2014 at 22:19
by: soma |
method for purification of LAH
I've got a fair amount of old LAH. I was thinking of purifying it by dissolving it in ether and then ... |
20-3-2014 at 16:24
by: soma |
resin flask for rotovap?
[rquote=320572&tid=29130&author=bahamuth]Well, a rotavapor "beaker" flask might be what you ... |
28-2-2014 at 11:50
by: soma |
resin flask for rotovap?
Would there be a type of resin reaction flask that can be easily used on a rotovap? I'd like to find ... |
23-2-2014 at 22:58
by: soma |
heating lithium aluminum hydride with heating mantle
[rquote=307408&tid=18679&author=chemrox]Reductive aminations can take a week...automation =& ... |
31-12-2013 at 14:08
by: soma |
dangers of LAH
I wait til the weather is right. That means not too much happens in the summer. Gives you an appreci ... |
28-12-2013 at 22:14
by: soma |
problem with rotovap
[rquote=312618&tid=28129&author=chemrox]I do a lot of Buchi repair and used evap sales. Can ... |
27-12-2013 at 23:16
by: soma |
problem with rotovap
I'm using it without a vacuum for this (although I have one). It's an easy way to prevent bumping. I ... |
27-12-2013 at 22:47
by: soma |
testing LAH activity
I got some that was from Alfa Aesar through a 3rd party (it was still in the Alfa packing). I was ve ... |
27-12-2013 at 21:50
by: soma |
testing LAH activity
Anyone tried this:
Titrate THF or ether solutions of lithium aluminium hydride with 9-fluorenone. ... |
24-12-2013 at 14:47
by: soma |
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