How to Calculate Molar Absorptivity (ε) First of all, what is the molar absorptivity constant?The mola absorptivity constant (ε) comes from this formula:Beer-Lambert Law You Might Also Like How to interpret IR spectra December 26, 2023 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Δ