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1.仪器与试剂:QX—08型气相渗透仪;英国产Versatic 10;德国制偶氮苯(分子量182.2);珠江冶炼厂出品氧化钇(纯度大于99.8%);其它国产二级试剂.钇盐结晶用1:2盐酸加乙醇溶解,调整pH5～6,以二甲酚橙为指示剂,用EDTA标准溶液滴定.钇盐中碳、氢含量,承广东省测试分析研究所测定.2.叔碳酸Versatic 10钇盐的制取:将氧化钇用盐酸溶解成氯化钇溶液,加热到50℃
1. Instruments and Reagents: QX-08 type gas phase infiltrometer; British-made Versatic 10; Germany azobenzene (molecular weight 182.2); Pearl River smelter produced yttrium oxide (purity greater than 99.8%); other domestic secondary agents. Yttrium salt Crystallization with 1: 2 hydrochloric acid and ethanol to dissolve, adjust pH5 ~ 6, with xylenol orange as an indicator, titration with EDTA standard solution. Yttrium salt carbon, hydrogen content, as determined by the Guangdong Institute of Test Analysis .2 tert Preparation of carbonate Versatic 10 yttrium salt: Yttrium oxide was dissolved in hydrochloric acid yttrium chloride solution, heated to 50 ℃