(1.河北师范大学化学系, 石家庄 050016;
2.河北联合制药厂,石家庄 050021)
摘 要: 给出了M-H2O体系中M化合物Mi 的热力学相对稳定性指数DMi变量,提供了 在三维空间分析Pourbaix图结构的可能性,进而给出了亚稳态物质在φ—pH面上的分布 方程。采用“两步法” 步骤编制了绘制常温条件下亚稳态物质的φ—pH图的通用电算程序,给出了计算示例和应用分析。
关键字: Pourbaix图 热力学稳定性指数 亚稳态物质 φ—pH 图
(1.Department of Chemistry, Hebei Normal University, Shijiazhuang 050016;
2.Hebei Unipharm Co. Ltd., Shijiazhuang 050021)
Abstract:The thermodynamical stability order of Mi in M-H2 O system was discussed. A distributing equation of metastable substances was given . The φ—pH diagrams for Mn-H2O and Cu-H2O systems were described as examples.
Key words: Pourbaix diagram thermodynamical stability order
distributing equation of metastable substances