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Which of the following is the most preferable frequency for ultrasonic sterilization?

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+1 vote
in Fermentation Technology by (72.1k points)
Which of the following is the most preferable frequency for ultrasonic sterilization?

(a) 500 kHz

(b) 300 kHz

(c) 600 kHz

(d) 400 kHz

This question was posed to me in an international level competition.

Enquiry is from Continuous Sterilization topic in division Sterilization of Fermentation Technology

1 Answer

+2 votes
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Best answer
Right option is (a) 500 kHz

For explanation: The most preferable frequency for ultrasonic sterilization is 500 kHz. The ultrasonic vibrations are generated which create the cavitation microbubbles and sterilize the medium.

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