We would like to know where the coefficient of 18.1 (EmM of p-nitrophenol) comes from? What does it mean?

Modified on Wed, 10 Nov, 2021 at 3:53 PM

This is the extinction coefficient, i.e. absorbance of a 1 mM solution of p-nitrophenol in a 1 cm light path at 400 nm.


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