substance flow rate

https://doi.org/10.1351/goldbook.S06074
Amount-of-substance of a component crossing a surface divided by the time. For clinical chemistry the term @C01209@ is recommended. ISO uses "substance".
Source:
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 994 [Terms] [Paper]