Hot air oven is used for sterilization of all except -
Glass wares
Dusting Powder
L.J.media
Liquid paraffin
Hot air oven - most widely used method of sterilization by dry heat Temperature for sterilization - 160degC for 2 hours Control used - spores of Bacillus subtilis Materials sterilized - 1) Glassware like glass syringes, petri dishes, flasks, pipettes & test tubes 2) Surgical instruments like scalpels, forceps etc. 3) Chemicals such as liquid paraffin, fats, glycerol etc. Culture Media are sterlized by Autoclaving.
General Microbiology Pa-2 and Pa-3 (Sterilization and Bacterial Genetics)