Re: ORGLIST: Overpressure valves

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From: Richard Prankerd (richard.prankerd$##$vcp.monash.edu.au)
Date: Sun Jan 20 2002 - 18:30:07 EST

Michael:

If the gas space in the system is small, then you can use a balloon filled with
the inert gas

Richard

Michael Engel wrote:

> Hello,
> I am an organic chemist and, until some years ago, I used mercury valves as
> an overpressure valve when doing synthesis under an inert atmosphere.
> During the last years, I didn't have to use such overpressure valves.
> Now I am back and I want/have to to use some other types of valves.
> What do use in your country, are Hg valves still in use ?
> Thanks for any advice.
> Best wishes
> Michael Engel
> (Japan)
>
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Richard J. Prankerd, PhD
Senior Lecturer
Victorian College of Pharmacy, Monash University
381 Royal Pde., Parkville VIC 3052

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