Sterilizing Gases

Gaseous Sterilization

Continuing the series on USP, <1229.7> addresses gaseous sterilization.  Sterilizing gases are typically used when exposure to other methods (heat or radiation) could damage the materials or equipment.  The most common gases used for sterilization include ethylene oxide (EO), ozone, mixed oxides of nitrogen, and chlorine dioxide.  According to USP, “EO’s ability to penetrate through polymers, cellulosics,…