In &;Hotair oven&; for holding period of one hour, temperature required is -
High-Yield Explanation
Temperature and time: 160 o C for 2 hours (holding time ) is required for sterilization However alternative temperatures and holding time include 170degC for 1 hour and 180degC for 30 minutes Ref: a textbook of Microbiology Dr.C.P.Baveja 4th Edition pg no:30