chemical amount

https://doi.org/10.1351/goldbook.C01019
See:
amount of substance
Sources:
Green Book, 2nd ed., p. 46 [Terms] [Book]
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 965 [Terms] [Paper]