FLUOROMETRIC-DETERMINATION OF TRACES OF URANIUM(VI) IN BRINES AND IRON(III) OXIDES USING SEPARATION ON AN ACTIVATED SILICA-GEL COLUMN

被引:10
作者
DEPABLO, J
DURO, L
GIMENEZ, J
HAVEL, J
TORRERO, ME
CASAS, I
机构
[1] Department d'Enginyeria Química, ETSEIB, Universitat Politécnica de Catalunya
关键词
FLUOROMETRY; BRINES; URANIUM; WATERS;
D O I
10.1016/0003-2670(92)85304-O
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A method for the determination of trace uranium levels in brines and waters with a high content of iron(III) based on the separation of uranium from a mixture of masking agents by sorption on an activated silica gel column was developed in connection with the Scintrex UA-3 uranium analyser. The detection limit of uranyl ions was 1.4 ng. This value can be achieved even with solutions containing 56 mg of iron, 480 mg of magnesium and/or 1000 mg of chloride. The relative standard deviation of the method is 5%. An analysis requires less than 20 min.
引用
收藏
页码:115 / 119
页数:5
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