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In the Beckman instrument, the flow rate recommended when the sample enters directly for rapid response is which of the following?

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In the Beckman instrument, the flow rate recommended when the sample enters directly for rapid response is which of the following?

(a) 100-200 cc/min

(b) 50-250 cc/min

(c) 40-60 cc/min

(d) 200-300 cc/min

I got this question at a job interview.

My enquiry is from Paramagnetic Oxygen Analyser topic in section Industrial Gas Analysers of Analytical Instrumentation

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Right choice is (c) 40-60 cc/min

The best I can explain: In the Beckman instrument, the flow rate recommended when the sample enters directly for rapid response is 40-60 cc/min. paramagnetic oxygen analyzer was first described by Pauling.

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