On the Dissociation of Silver, Thallium and Zinc Sulphates in Some Molten Nitrates

The present paper aims at inquiring the ionization of some sulphates when dissolved in molten nitrates having suitable characteristics, and of which heats of fusion and cryoscopic constants were already well k n o w n T h e solutions of A g 2 S 0 4 in L i N 0 3 and K N 0 3 , of T1 2 S0 4 in L i N 0 3 , N a N 0 3 , and A g N 0 3 and of Z n S 0 4 in L i N 0 3 , N a N 0 3 , K N 0 3 , and A g N 0 3 have been chosen. A previously described 1 conventional c ryoscop i c apparatus has been employed. All salts (C. E r b a R P , M e r c k " p r o analysi" or B D H ) have been carefully dried before use. The experimental results are shown in Figs. 1 — 3. A number of numerical data, interpolated f r o m the experimental ones and used in the fo l lowing discussion, are summarized in Table 1.