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Which of the following method is uses fluorescence for oxygen measurement?

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in Fermentation Technology by (72.1k points)
Which of the following method is uses fluorescence for oxygen measurement?

(a) Tubing method

(b) Fluorometric method

(c) Polarographic method

(d) Galvanic method

This question was posed to me by my school teacher while I was bunking the class.

My doubt stems from Instrumentation and Control in section Instrumentation and Control of Fermentation Technology

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Correct option is (b) Fluorometric method

For explanation: The fluorometric method uses fluorescence phenomena for the measurement of dissolved oxygen. It has a fast response and is based on the fact that change in the partial pressure of oxygen quenches the fluorescence lifetime of a chromophore.

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