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To improve paramagnetic oxygen analyzer, the quartz suspension must be replaced with which of the following?

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in Analytical Instrumentation by (131k points)
To improve paramagnetic oxygen analyzer, the quartz suspension must be replaced with which of the following?

(a) Platinum-iridium

(b) Phosphor-bronze

(c) Gold-palladium

(d) Antimony

The question was posed to me in a national level competition.

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

1 Answer

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Best answer
Right option is (a) Platinum-iridium

For explanation: To improve paramagnetic oxygen analyzer, the quartz suspension must be replaced with Platinum-iridium. It is more robust.

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