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IC for quartanary ammonium salts

http://www.chromforum.org/viewtopic.php?t=1995

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IC for quartanary ammonium salts

Posted: Wed May 25, 2005 8:35 pm
by dpr
Hi,

Is anyone out there do quats by IC?

Currently on a Dionex NS1 column using 35% methanol solvent MSA eluant and chemical supression.

Would be intersted if anyone has experience of Quats on other Dionex columns with lower solvents and CSRS supressor.

Posted: Mon May 30, 2005 2:07 am
by Yury Zelechonok
Methods that I am proposing here are not based on Dionex technology, but may be you are not totally stuck with it.

http://hplcmethods.com/compound_080.php
http://hplcmethods.com/compound_161.php

Quats by IC

Posted: Tue Jun 07, 2005 3:06 am
by Chris Pohl
dpr,

What quats are you working with? What is your eluent: just MSA, methanol and H2O? You should be able to get by with less methanol if you change to a more highly hydrated anion such as acetic acid.
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