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Abstract <p>Standard Gibbs energies of formation for minerals of the Ag–Au–Se–Te system are calculated using additive elemental contributions. Thermodynamic equilibria of the considered system in the initial state of one mole of noble metals and variable chalcogen contents at 25°C and atmospheric pressure are calculated using the Selector program compleх (PC). Results from modeling show that silver participates more actively than gold in the composition of the minerals. Noble metals do not produce native forms at certain concentrations of selenium and tellurium.</p>

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Thermodynamic Equilibria in the Ag–Au–Se–Te System at 25°C and Atmospheric Pressure

  • 期刊论文

  • 发表日期：

    2025年8月3日

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  • O. V. Eremin,
  • G. A. Yurgenson,
  • E. S. Epova

摘要

Abstract

Standard Gibbs energies of formation for minerals of the Ag–Au–Se–Te system are calculated using additive elemental contributions. Thermodynamic equilibria of the considered system in the initial state of one mole of noble metals and variable chalcogen contents at 25°C and atmospheric pressure are calculated using the Selector program compleх (PC). Results from modeling show that silver participates more actively than gold in the composition of the minerals. Noble metals do not produce native forms at certain concentrations of selenium and tellurium.