Abstract
AbstractThe variation of vapour pressures over NaClAgCl melts with increasing of AgCl mole fractions in the interval (0.00–0.33) has been studied at 1073 K by gas transport experiments. The vapour pressures of the individual species of silver chloride [(AgCl), (Ag3Cl3)] and of sodium chloride [(NaCl), (Na2Cl2)] have been calculated using thermodynamic data. The experimental and calculated results have been used for evaluation of the vapour pressures of the complex species Ag2NaCl3 and AgNa2Cl3 at the upper experimental conditions. The equilibrium constants of the following gas‐phase reactions have been computed: 2 AgCl + NaCl ⇌ Ag2NaCl3, Kp1073K = 2.57 · 106, AgCl + 2 NaCl ⇌ AgNa2Cl3, Kp1073K = 1.19 · 107.
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