A method is developed for the determination of microamounts of U in aqueous solution by U-salicylfluorone-zeph-OP system. The absorption peak of the quarternary complex appears at 555 nm(ε=1.75 × 105).The color of the complex develops quickly stable for more than 5 hours. The method is suitable for determining U heigher than O.OOOx % in geological samples.
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范蔚全,胡焰,1985,铀—水杨基萤光酮—Zeph—OP四元络合物分光光度反应及其应用[J].岩石矿物学杂志,4(1):70~72.,1985,Spectrophotometric Determination of Quarternary Complex of Uranium with Salicylfluorone-zephiramine-emukification-OP[J]. Acta Petrologica et Mineralogica,4(1):70~72.
