A wick of filter paper is placed in a TLC developing jar, and the atmosphere in the jar is satu- rated with solvent before a plate is developed. What would happen if a plate were developed in a jar with an atmosphere not saturated with solvent vapor?

Question

Quizplus · Accepted Answer

The Answer is The solvent front would not move evenly up the plate because it would be evaporating from the plate. Also the R_ffrom such a plate would be unreliable because more solvent is moving up the plate than normal, moving the spot farther up the plate than it should be.

A Wick of Filter Paper Is Placed in a TLC