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研究了在吐温－８０存在下锗与邻硝基苯基荧光酮的显色反应。结果表明，在ＨＣｌ介质中，锗与邻硝基苯基灾光酮形成了灵敏度很高的络合物。其ε＝１．４３ｘ１０５组成比Ｇｅ（Ⅳ）：邻硝基苯基荧光酮＝１：３．在掩蔽剂存在下，可不经分离测定铝合金和阳极泥中的锗，结果令人满意。
The color reaction of germanium with o-nitrophenylfluorone in the presence of Tween-80 was studied. The results show that germanium forms a highly sensitive complex with o-nitrophenylketone in the HCl medium. The ε = 1.43x105 composition ratio of Ge (Ⅳ): o-nitrophenylfluorone = 1: 3. In the presence of a masking agent, the determination of germanium in the aluminum alloy and anode slime without isolation was satisfactory and the results were satisfactory.