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% impurity

Question asked by ctrachsel on Aug 10, 2020
Latest reply on Aug 11, 2020 by martin.adams

If I have a injection sequence of blank, standard, sample 1, sample 2, how can I calculate the area % of peaks in my sample injections in respect to my standard injection?

 

as an example:

 

Area of Compound A in standard injection = 1000

Area of Peak 1 in sample 1 = 50

Area of Peak 1 in sample 2 = 20

 

Ratio = (100*50)/ 1000 => Area of Peak 1 in sample 1 is 5% with respect to Compound A

Ratio = (100*20)/ 1000 => Area of Peak 1 in sample 2 is 2% with respect to Compound A

 

The calculation should be performed for all integrated Peaks in all sample injections within a sequence.

 

Best

Christian

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