What is the optimal pressure and temperature combination for sterilization in an autoclave according to Talaro and Chess?
The optimal pressure and temperature combination for sterilization in an autoclave is 15 psi and 121°C.
According to Talaro and Chess, the most efficient pressure-temperature combination for achieving sterilization in an autoclave is 15 psi, which results in a temperature of 121°C. This combination is effective because it allows the steam to condense against the objects in the chamber, gradually raising their temperature to a level that ensures sterilization. While higher pressures can increase the temperature further, they do not significantly reduce the exposure time and may damage the items being sterilized.
Key points
- Optimal autoclave sterilization: 15 psi and 121°C.
- Higher pressures increase temperature but may harm items.
- Steam condenses to raise temperature and ensure sterilization.
- Efficient sterilization without damaging materials.
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Talaro's Foundations in Microbiology
Kathleen Park Talaro
EIGHTH EDITION · McGraw-Hill, a business unit of The McGraw-Hill Companies, Inc.