Two peaks in a particular gas chromatogram have a retention ratio of 1.25. If this mixture was injected into a gas chromatograph column which had the same stationary phase but a longer column, how would you expect the retention ratio to change?

Question

Quizplus · Accepted Answer

Increasing the length of the column typically increases the retention time of compounds, meaning that the retention ratio (the ratio of the retention times of the two peaks) would also increase.

Two Peaks in a Particular Gas Chromatogram Have a Retention