For a specified @I03331@, the @A00114@ of the compound divided by the amount of the material in moles: \(A_{\text{m}}=\frac{A}{n}\).
Source: PAC, 1994,
66, 2513. (
Nomenclature for radioanalytical chemistry (IUPAC Recommendations 1994)) on page 2515 [
Terms] [
Paper]