The structure and extractive power of amines and their salts

I. Introduction 585
II. Brief information on the mechanism of extraction of acids and metal salts by amine salts 585
III. The effect of the structure of amine salts on the stability of the compounds extracted by different extraction mechanisms 586
IV. Principal structural factors of amines determining the structure of their salts 587
V. The effect of the structure of amines on the extractive power of their salts with extraction by an addition mechanism 593
VI. The effect of the structure of amines on the extractive power of their salts with extraction by an anion-exchange mechanism 594