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Which of the following is the most accurate method of determination of elemental composition?

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Which of the following is the most accurate method of determination of elemental composition?

(a) Spectroscopy

(b) Isotope dilution

(c) Isobar dilution

(d) Chromatography

The question was asked at a job interview.

The origin of the question is Inductively Coupled Plasma Mass Spectrometer in chapter Mass Spectrometer of Analytical Instrumentation

1 Answer

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Best answer
Correct choice is (b) Isotope dilution

Best explanation: The most accurate method of determination of elemental composition is isotope dilution. It permits the calculation of the concentration of an element.

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