Bioscience Labs

Methods | USP


The U.S Pharmacopoeia Convention (USP) is a scientific organization that sets standards for products distributed and consumed worldwide. These standards are used in many countries and regulated by the FDA.

USP 51

ANTIMICROBIAL PRESERVATIVE EFFECTIVENESS TEST (PET) The U.S. Pharmacopeia describes in General Chapter 51, the assay they recommend for testing preservative efficacy. The USP divides products into four categories: Category 1 - Injectable, emulsion, otic, sterile…
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