I need Help in calculating purity threshold in agilent 1260

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I was making stress degradation studies on a drug and I injected the drug with its degradation products . I selected the ''Select peak purity " from spectrum menu. A figure appeared with a calculated peak purity factor for the peak of interest. The problem was that the purity threshold is labelled as ''set by user'' .I want it to be calculated and I do not know why . I attached a picture from the software to explain the necessary steps to get purity threshold calculated. If anyone could help me to get through these steps
https://www.photobox.co.uk/my/photo/ful ... 0778713050
You have to be logged in to Photobox (as you) in order to see that image.
-- Tom Jupille
LC Resources / Separation Science Associates
+ 1 (925) 297-5374
Hi ,

worth looking at :

and also Waters blog

http://blog.waters.com/get-empowered-re ... hod-tip-34

I have video on PDA but too large to share sorry
3 posts Page 1 of 1

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