Page 19 - MNU PM502 Ph. Micreo practical

Pharm D- Clinical Pharmacy Program Third Level Pharmaceutical Microbiology& Antimicrobials (PM 502)

4) Hot air oven:

• It works by circulating hot air inside the oven chamber to evenly distribute

heat to the materials being processed.

• Hot air ovens are often used in a variety of settings, including research

laboratories, industrial settings, and educational institutions.

• The heat is transferred to the article by radiation, conduction and convection.

The oven should be fitted with a thermostat control, temperature indicator,

meshed shelves and must have adequate insulation.

Items that are sterilized in a hot air oven include:

• Glassware (like petri dishes, flasks, pipettes, and test tubes)

• Powders (like starch, zinc oxide, and sulfadiazine)

• Materials that contain oils

• Metal equipment (like scalpels, scissors, and blades)

Examples of items that aren't sterilized in a hot air oven are surgical dressings,

rubber items, or plastic material.

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