Question

What must be done to the solid samples for it to be introduced into the column without using solid injection syringes in gas chromatography?

(a) Introduced in hot-zone of the column

(b) Dissolved in volatile liquids

(c) Introduced using rotary sample valve

(d) Introduced using sampling loops

The question was asked at a job interview.

I'm obligated to ask this question of Gas Chromatography topic in portion Chromatography of Analytical Instrumentation

Answer 1

The correct answer is (b) Dissolved in volatile liquids

The explanation is: Solid samples must be dissolved in volatile liquids for introducing it into the column. They can be introduced directly using solid injection syringes.