Catalytic activity of the component divided by the volume of the system.
- In clinical chemistry @L03594@ is recommended as unit for the volume.
- In clinical chemistry the component is usually an enzyme.
- The term @C00886@ is accepted for use in clinical chemistry.
- Use of the term level as a synonym for concentration is deprecated.
- In describing a quantity, @C01222@ must be clearly differentiated from @C01296@.