硫氧化钇(Y_2O_2S)的制备及其在铁基溶液中的热力学  

Preparation of yttrium oxide sulfide and its thermodynamics in iron base solution

作　　者：周云[1] 宋希文[1] 赵文广[1] 安立国[1] 安胜利[1] 

机构地区：[1]包头钢铁学院冶金与化学工程系,内蒙古包头014010

出　　处：《包头钢铁学院学报》1999年第3期222-226,共5页Journal of Baotou University of Iron and Steel Technology

摘　　要：主要是对稀土硫氧化钇（Ｙ２Ｏ２Ｓ）作定硫传感器关键材料的可行性分析－ 采用高温气固相反应，研究得到了较高纯度的Ｙ２Ｏ２Ｓ，用Ｘ光粉末衍射，定性分析了粉末的组成，并依据ＦｅＲＥ 相图，计算了稀土钇的硫化物、氧化物、硫氧化物与铁二元溶液中的热力学性质，同时对一些可能作为定硫传感器材料的硫化物和硫氧化物作了比较系统的热力学计算，通过对比，得出了Ｙ２Ｏ２Ｓ作定硫传感器材料。Feasibility of Y 2O 2S is analysed as auxiliary electrolyte of determination sulpher sensors in this paper.A chemical reaction is proceeded under high temperature.The product is prepared and analyzed by X ray foam diffractometer.its chemical composition is determined by qualitative analysis,high pure powder of Y 2O 2S is gained.The proper thermodynamics character is calculated in binary solution of rare earth Y Fe according to the phase diagram of Fe RE,meanwhile,thermodynamics is calculated in a systematic way on some sulphides,which is thought of being feasible as auxiliary electrodes.By contrast,Y 2O 2S is superior to any sulphides.

关 键 词：硫氧化钇 制备 热力学 铁基溶液 定碳传感器 

分 类 号：TP212.04[自动化与计算机技术—检测技术与自动化装置]