Which indubitably indicate that the bismuthous sulfide can only dissolve in halogen acid except hydrofluoric acid, the mixed solution of dilute sulfuric acid and alkali halide.

结果表明硫化铋只氢卤（除氢氟外）、稀硫与碱金卤化物的混合液，不稀硫。

It is studied further that the dissolubility of the bismuthous sulfide in the solutions of the non-oxidative strong acid through the experiment by means of chemical thermodynamics.

用化学热力学基础理论和方法研究了硫化铋在无氧化性强和可性碱金卤化物液的解性。