Re: Pepsyn: A couple of questions

From: Fuselier de la Claire (devildog@mailhost.tcs.tulane.edu)
Date: Fri Jan 21 2000 - 11:15:12 EST


Thanks for the info!
If anyone wants to know more about Karl Fisher titration, check out the
URL's below:

http://www.mt.com/home/products/en/lab/wet/titration/Ti1200.asp

A 75 page pdf document on everything you wanted to know about KFT but were
afraid to ask:
http://www.mt.com/home/products/en/lab/wet/titration/docs/Ti1200b.PDF

"Breslav, Michael [PRI]" wrote:

> Joseph,
> 1. There is Karl Fisher titration for H2O and ion-chromatography for
> counter-ions. Any contract analytical lab will do it.
> 2. Esters are not stable to HF cleavage. However I can imagine that
> theoretically you can cleave some of the acid labile groups without ester
> cleavage using low HF cleavage for a short time.
> Michael Breslav
> R.W.Johnson PRI
> Spring House, PA

--
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Joseph A. Fuselier
Peptide Research, SL12
Tulane University School of Medicine
1430 Tulane Avenue
New Orleans, Louisiana 70112 USA
504.588.2296
(fx) 504.584.3586
devildog@mailhost.tcs.tulane.edu

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