Differential change in concentration of a component in a given direction in a small
distance divided by the distance in that direction.
Notes:
-
It is a vector quantity.
-
May be expressed as amount-of-substance, mass, number, volume, concentration gradient.
Source:
PAC, 1996, 68, 957
(Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations
1996))
on page 967
