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Which of the following columns can be used in Gas-solid chromatography?

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in Analytical Instrumentation by (131k points)
Which of the following columns can be used in Gas-solid chromatography?

(a) Open tubular column

(b) Analytical column

(c) Separation column

(d) Guard column

This question was addressed to me in an interview for job.

My enquiry is from Gas Solid Chromatography topic in chapter Chromatography of Analytical Instrumentation

1 Answer

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Best answer
Right choice is (a) Open tubular column

Easiest explanation: Open tubular column can be used in Gas-solid chromatography. Analytical/separation column and guard column is used in liquid chromatography.

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