Compound_Amount Sum of 3 Compounds in a 6 compound batch

Hi all, 

I am running triple omega analysis. There are six peaks (including the ISTD). I have my Compound_Amount column giving me my concentrations. I would like to Sum 3 out of the 6 peaks and cant figure out how to do it.  I can sum the whole column but cant figure out how to pick certain peaks to sum. Any advice for this problem?

  • Hello,

    You do not indicate what software you are working with but both Chemstation and CDS 2.x have the ability to create groups from selected compounds. You could use the data analysis method to assign those 3 peaks to a named group and then display that value on the report. 

    Marty Adams

  • Hey Marty, 

    Sorry. I just realized I gave you no software info. I am using Openlab CDS C.01.06 and Intelligent Reporting A.01.07.155 if that helps. Can you show me how to do this or point me in the right direction. I have come a long way with the software the past two weeks but some of this is still a lot to figure out. Thanks. 

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