試題詳解

10. Which of the following statements about the elution process of LC is not true?
(A) In nornal-phase LC, the least polar analyte is eluted first because it is the most soluble in the mobile phase.
(B) In normal-phase LC, a less polar solvent has higher eluent strength.
(C) Increasing the polarity of the mobile phase has the effect of decreasing the elution time in normal-phase LC.
(D) In reversed-phase LC, a more polar solvent has lower eluent strength.
(E) In reversed-phase LC, increasing the mobile phase polarity increases the elution time of the less polar analyte.