Term: catalytic activity concentration, \(b\)
https://doi.org/10.1351/goldbook.C00882

Definition:
Catalytic activity of the component divided by the volume of the system.

Notes:
0) In clinical chemistry @L03594@ is recommended as unit for the volume.
1) In clinical chemistry the component is usually an enzyme.
2) The term @C00886@ 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, @C01222@ must be clearly differentiated from @C01296@.

Related Terms:
1) litre (http://doi.org/10.1351/goldbook.L03594).
2) catalytic concentration (http://doi.org/10.1351/goldbook.C00886).
3) concentration (http://doi.org/10.1351/goldbook.C01222).
4) content (http://doi.org/10.1351/goldbook.C01296).

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)

Citation: 'catalytic activity concentration, \(b\)' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.C00882

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