https://doi.org/10.1351/goldbook.D01719
Proportionality constant D, relating the flux of amount of entities B to their concentration gradient Jn=D cB.
Source:
Green Book, 2nd ed., p. 65 [Terms] [Book]
See also:
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 969 [Terms] [Paper]