ISOTHERMAL CURVES AND THE SPACE MODEL 272
Non-formation of double salts, 272. Formation of double
salt, 273. Transition interval, 277. Isothermal evaporation,
278. Crystallization of double salt from solutions containing
excess of one component, 280. Formation of mixed crystals,
281. Application to the characterization of racemates, 282.
_Representation in space._ Space model for carnallite, 284.
Summary and numerical data, 287. Ferric chloride--hydrogen
chloride--water, 290. Ternary systems, 291. The isothermal
curves, 294. Basic Salts, 296. Bi_{2}O_{3}--N_{2}O_{5}--H_{2}O, 298.
Basic mercury salts, 301. Indirect determination of the composition
of the solid phase, 302.