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本文系统研究了β-CD对Zn(Ⅱ)-m-BrTPPS4显色体系的增敏作用,提出了高灵敏度测定痕量锌的分光光度新方法。显色体系的表观摩尔吸光系数为4.57×10^5L.mol^-^1.cm^-&1,Zn(Ⅱ)的浓......