MgCl_(2)-MgBr_(2)-H_(2)O体系323.15 K体系的稳定相平衡研究  

SResearch on the Stable Phase Equilibrium of the MgCl_(2)-MgBr_(2)-H_(2)O System at 3_(2)3.15 K

作　　者：谢庆国 曹国栋 李瑞琛 XIE Qingguo;CAO Guodong;LI Ruichen(Shandong Lixing Advanced Material Co.,Ltd.,Linyi,Shandong Province,276000 China)

机构地区：[1]山东利兴新材料科技股份有限公司,山东临沂276000

出　　处：《大众科学》2024年第3期86-89,共4页China Public Science

摘　　要：对323.15 K下MgCl_(2)-MgBr_(2)-H_(2)O的稳定相平衡的研究,并利用等温溶解法进行实验。研究测量了多个参数,如平衡溶解度、折光率和pH值,并成功绘制了一张有序的相平衡图。通过分析相平衡图,观察发现该三元体系中存在引人注目的固溶体结晶区域,即Mg(Cl,Br)_(2)·6H_(2)O固溶体。这个固溶体的组成呈现出盐与盐之间过渡的规律,并具有明显连续性。溶液物理化学特性随着MgCl_(2)浓度变化而变化。The stable phase equilibrium of MgCl_(2)-MgBr_(2)-H_(2)O at 3_(2)3.15 K is studied and tested by the isothermal method.The study measures several parameters,such as equilibrium solubility,the refractive index and pH,and successfully draws an ordered phase equilibrium diagram.By analyzing the phase equilibrium diagram,it is found that there is a striking solid solution crystalline region in the ternary system,namely the Mg(Cl,Br)_(2)·6H_(2)O solid solution,the composition of this solid solution shows the law of transition among salt and has obvious continuity,and that the physicochemical properties of the solution change with the concentration of MgCl_(2).

关 键 词：稳定相平衡 溶解度 固溶体 结晶 

分 类 号：O642.42[理学—物理化学]