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Dissolution test IR calculation

Question asked by isaac on May 6, 2020
Latest reply on May 8, 2020 by ryoboyle


I am using chemstation Openlab CDS Rev. C.01.07 SR4 and I've a problem with IR. My sequence is:

and i would like to calculate :


Please, note that D60min, D120min, D135min and D240min are referred to six independent values each, coming from six samples that we must analyze at different timing.


I'm able to filter the six samples contained in each D60min, ...and so on, one by one. I can't understand how to perform this calculations in IR matching the right time point sample by sample. For example, as you can see in the picture below taken by Excel, I can't match  the raw data (in the white cells) of sample number one at the first time point with the second time point and then with the other to obtain the results that you can see in the blue cells.



Could you please help me solving this problem?


Thank you in advance.