Analogous to
absorbance, but taking into account also the effects due to
scattering and
luminescence. It was formerly called
extinction.
Source: Green Book, 2
nd ed., p. 32 [
Terms] [
Book]
See also: PAC, 1996,
68, 2223. (
Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2228 [
Terms] [
Paper]
PAC, 1996,
68, 957. (
Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 962 [
Terms] [
Paper]