From: Eric J.Leopold (ejlmp$##$earthlink.net)
Date: Thu Nov 21 2002 - 21:36:48 EST
On Thursday, November 21, 2002, at 12:37 AM, Jacob Zabicky wrote:
> Dear Orglisters,
>
> Publications dealing with very reactive organolithium compounds
> frequently
> write in their experimental section about having worked under "Schlenk
> conditions," probably meaning very low temperatures, extreme dryness of
> glassware, reagents, solvents, and the inert atmosphere for total
> exclusion
> of air (something else missing?). However, I haven't seen a direct
> citation
> of the literature source where Schlenk (I surmise W. Schlenk and E.
> Bergmann) describes the experimental setup that has been so frequently
> emulated. Can somebody point where can I find the original conditions?
>
> Thanks in advance,
>
> Jacob
>
> x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
> x-x
> Prof. Jacob Zabicky
> Institutes for Applied Research
> Ben-Gurion University of the Negev Private: POB 12366,
> Beer-Sheva 84863
> POB 653, Beer-Sheva 84105, ISRAEL Tel. +972-8-6496792
> http://profiler.bgu.ac.il/site/main.cfm
> Tel. +972-8-6461271/6461062/6472754
> Fax. +972-8-6472969
> x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
> x-x
This Web page has pictures and techniques for the use of the Shlenk
tube: <http://www.ilpi.com/inorganic/glassware/schlenkflask.html>.
The Index page has a number of other apparatus setups at
<http://www.ilpi.com/inorganic/glassware/schlenkflask.html>
such as
Ball Mills
Bubblers
Cannulas
Filters, Fritted
Flasks, Schlenk
Furnaces (tube and box)
Gas Regulators
Glassblowing
Glove Boxes
Heating Sources
Joints
Mortars and Pestles
Powder X-ray Diffraction
Rotary Evaporators
Schlenk lines and vacuum lines
Skull Melting
Stopcocks
Sublimators
This popped out of a Sherlock search on a Mac running Jaguar OS 10.2.2.
Good luck.
Eric
How to cleave a peptide from a resin without using hydrofluoric acid:
http://home.earthlink.net/~ejlmp/TMSX1.html
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