inactivation factor

initialism: IF
https://doi.org/10.1351/goldbook.15199
Number that expresses the reduction in the numbers of a microorganism, brought about by a sterilization process.
Note: The IF value is specific for a microorganism and a sterilization process.
Source:
PAC, 2009, 81, 971. (Glossary of terms related to pharmaceutics (IUPAC Recommendations 2009)) on page 988 [Terms] [Paper]