【摘要】 采用 N72 0 7从无机酸体系中萃取钼 ,考察了影响萃取平衡的主要因素 ,筛选出反萃取条件。萃取钼的最佳条件为起始水相 p H值为 2 .3,萃取剂浓度为 0 .0 1m ol/L ,经二级错流萃取 ,萃取率可达 99.40 % ,而采用 0 .5 mol/L的氢氧化钠反萃负载有机相 ,一级反萃率可达 10 0 % ,并经紫外可见光谱确证 ,其萃取钼的机理属于离子缔合物萃取体系的阴离子交换反应更多还原

【Abstract】 This thesis report that N 7207 extract Mo(VI) from mineral acid body system,and study the main factors that affect the extraction balance,and select the inverse extraction condition.The best condition of N 7207 extracting Mo(VI) is that the pH of beginning water is 2 3,and the density of the extractant is 0 01 mol/L.By Secondary extraction,the efficiency of extraction is 99 40%.The inverse efficiency of extraction is 100% by NaOH of 0 5 mol/L.By ultraviolet and visible spectrum,the mechanism that N 7207 extracts Mo(VI) is anion displacement reaction that attribute to ion association object extraction body system is discussed.更多还原