Derivative of @R05039@, \(Q\), with respect to @W06659@ \(\lambda \).
SI unit is \(\text{J m}^{-1}\); common unit is \(\text{J nm}^{-1}\).
Source: PAC, 2007,
79, 293. (
Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)) on page 425 [
Terms] [
Paper]