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Difference in injection port valve

http://www.chromforum.org/viewtopic.php?t=19136

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Difference in injection port valve

Posted: Wed Feb 22, 2012 5:24 am
by rick1112
hi

In terms of technical/specification can anyone tell me the difference between injection port valve in an HPLC aqqnd UPLC/UHPLC ??

thanks

Re: Difference in injection port valve

Posted: Wed Feb 22, 2012 2:15 pm
by rwjohnson
In the Agilent units I use, the seal is made out of a higher-grade material that can better withstand the higher pressures. The injection port also has an option to run in by-pass mode, which eliminates a little dead-volume that it would otherwise normally experience.

Ron J.
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