痕量锰的在线萃取色谱法富集AAS法测定

On-line Chromatographic Extraction and AAS Determination of Trace Manganese

以 2 -巯基苯骈噻唑和 8-羟基喹啉为复合萃取剂 ,活性硅胶为载体制成色谱柱 ,研究了该柱对锰离子的吸附条件和洗脱条件 ,建立了痕量锰以 6 0次 /h分析速度的流动注射在线萃取色谱法预浓集原子吸收光谱测定的方法 。

Chromatographic column was prepared by using 2-mercaptobenzothiazole and 8-hydroxyquinoline as composite extractant and active silica gel as carrier.The adsorption and washing-up condition of manganese ion was researched and a new analytical method was established.The trace manganese was concentrated by on line extractive chromatography at the velocity of 60 times per hour of the flow injection and then it was detected by AAS. This method can has been employed for the analysis of environmental water and the result was satisfactory.