At reduced environment the content of As increases from 51.82% at temperature of 1300K to 97.28% at 1600K, while the content of As is only 0.19% in melted oxides.

• 在还原气氛下；在1300~1600K温度范围内；As在气相的含量由1300K时的51.；82%25升高至1600K时的97