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针对我国盐湖硼资源的特点 ,模拟合成 Mg O· 2 B2 O3-1 8% Mg SO4-H2 O过饱和溶液 ,分别在 0℃和2 0℃恒温静止跟踪结晶动力学过程 .拟合并给出结晶动力学方程 ,同时对结晶机制进行了探讨 .析出固相采用 X射线粉末衍射、红外光谱和热分析进行物相鉴定
According to the characteristics of boron resources in salt lake in our country, the supersaturated solution of MgO · 2 B2 O3-1 8% Mg SO4-H 2 O was synthesized and the kinetics of crystallization was observed at 0 ℃ and 20 ℃ respectively. Crystallization kinetics equation and the mechanism of crystallization were also discussed.The precipitated solid phase was identified by X-ray powder diffraction, infrared spectroscopy and thermal analysis