catalytic activity content, \(z/m\)

Also contains definition of: catalytic content
https://doi.org/10.1351/goldbook.C00883
Catalytic activity of the component divided by the mass of the system.
Notes:
  1. In clinical chemistry the component is usually an enzyme.
  2. The term catalytic content is accepted for use in clinical chemistry.
  3. Use of the term level as a synonym for concentration is deprecated.
  4. In describing a quantity, @C01296@ must be clearly differentiated from @C01222@.
Source:
PAC, 1996, 68, 957. 'Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)' on page 964 (https://doi.org/10.1351/pac199668040957)