8.2.Kinetics of heat sterilisation dN =-kN dt =知 k(min)is the death rate constant In(N)In(No)-kt N=Noe kkN dt dN = − kt No N ln( ) = − ln( N) = ln( No) − k t kt N Noe− = k (min-1 ) is the death rate constant 8.2. Kinetics of heat sterilisation