铋-碘化钾-二甲酚橙三元络合物体系光度法测定痕量铋  

Spectrophotometric determination of trace bismuth with the ternary complex system of BiⅢ-KI-xylenol orange

作　　者：吕明[1] 崔运成[1] 

机构地区：[1]四平师范学院化学系,吉林四平136000

出　　处：《冶金分析》2002年第3期19-20,共2页Metallurgical Analysis

摘　　要：提出了在聚乙烯醇存在下 ,Bi -碘化钾 -二甲酚橙三元络合物光度法测定Bi 的新方法。该法灵敏度高 (ε =6 0 6× 10 5) ,选择性好 ,精密度可靠 ,用于水中痕量铋的测定 ,结果满意。In this paper the spectrophotometric determination of trace bismuth with the ternary complex of Bi*#-KI-xylenol orange has been developed. The method was high sensitive,good selective and precise The method has been used to determine trace bismuth in water with satisfactory results

关 键 词：铋-碘化钾-二甲酚橙三元络合物体 光度法 痕量 铋 

分 类 号：O657.3[理学—分析化学]