Autoclaving is not useful for disposal of:
Ans. (d) Liquid paraffinRef : K. Park 23rd ed. /128* Autoclaving is a method of disinfection mainly used for surgical dressings, instruments, laboratory wares, media and pharmaceutical products.* Principle: Steam + High pressure (~ 30 psi) and temperature 121 C.* Efficiency test of autoclaving: spores of Bacillus Stearothermophillus.
Surgical dressings
Metallic instruments
Petri dishes
Liquid paraffin
Environment and Health