Page 20 - MNU PM502 Ph. Micreo practical

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

The commonly used temperatures and time that hot air ovens need to sterilize

materials

Temp Time

180°C 30 minutes

170°C 60 minutes

160°C 120 minutes

150°C 150 minutes

NB: sterilization time begins only after the sterilizer reaches the target temperature

Structure of Hot air oven and Functions
It consists of the following parts:
1-Mechanical part

- The Coat (outer shield)

- Fiber glass

- The chamber

- The shelves (mesh)

➢ The Coat (outer shield)

The coat is made of aluminum or stainless

steel because it is characterized

by the following

• Resisting the mechanical shocks

• Resisting the oxidation.

• Rectangular solid shape to be easily placed anywhere in the laboratory.

• The coat consists of several surfaces of an isolator material to prevent

heat from getting outside.

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