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GPC peak grouping

Posted: Thu Sep 03, 2009 9:17 am
by markv
Dear sirs,

Our customer runs proteins of different MW on GPC column. He is interested to see in report percentage of high MW proteins and low MW proteins, two or three groups can be separated. Since there is no peak grouping option in GPC chromatogram window, how this can be done?

Thanks in advance,

Mark.

Re: GPC peak grouping

Posted: Mon Sep 14, 2009 5:51 pm
by Ivan Vins
For multi-modal polymers, you could use the manual integration tools (Baseline - Lock and Peak - Add Positive) to define group of peaks as one. You could define different methods to evaluate each peak separately or some of them as a group.