Hydroxide chlorides and hydroxides of elements of the scandium subgroup and of the lanthanides

CONTENTS
I. Introduction 354
II. Methods of studying basic salts and hydroxides 354
III. Titration curves of rare-earth salt solutions 356
IV. Study of heterogeneous systems of the type Mⁿ⁺–OH^––Cl^––H₂O 357
V. Basic properties of hydroxides of the rare-earth elements 361