Fig. 1

Effect of different combinations of aqueous phase as mobile phase on the recovery: A 0.1% formic acid in water. B 1% formic acid in water. C 0.1% acetic acid in water. (D) 1% acetic acid in water
Effect of different combinations of aqueous phase as mobile phase on the recovery: A 0.1% formic acid in water. B 1% formic acid in water. C 0.1% acetic acid in water. (D) 1% acetic acid in water