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Better sensitivity with good resolution can be achieved by concentrating the sample inside which of the following?

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Better sensitivity with good resolution can be achieved by concentrating the sample inside which of the following?

(a) Sample cell

(b) Micro cell

(c) Sample tube

(d) Cylindrical tube

This question was addressed to me in unit test.

Query is from Sensivity Enhancement for NMR Spectroscopy in portion Nuclear Magnetic Resonance Spectrometer of Analytical Instrumentation

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Best answer
The correct option is (b) Micro cell

Easy explanation: Better sensitivity with good resolution can be achieved by concentrating the sample inside a specially designed NMR microcell. It could be a spherical cell or a capillary cell.

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