Simultaneous Determination of Uranium and Thorium in Ores with Dimethyheptyl Methylphosphonate (P350)
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Dimethylheptyl methylphosphonate (P350) was used as a stationary phase for concentrating uranium and thorium. The behaviour of Kel-F, silica gel etc as supporter were tested. A solution containing 15 % HN03, 15 % NH4N03 [or 7 0 % Al (N03) 3] and 2 % tartaric acid of U and Th is used for column sorption. Th and U were separated by elution of 5N HCl and 0.2% NaF respectively. The chromatographic column could be used more than 80 times.
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钟妙兰, 1984. 甲基膦酸二甲庚酯(P_(350))—吸附树脂萃取色层分离连续测定矿石中铀和钍[J]. 岩石矿物学杂志, 3(2):176~178. , 1984. Simultaneous Determination of Uranium and Thorium in Ores with Dimethyheptyl Methylphosphonate (P350)[J]. Acta Petrologica et Mineralogica, 3(2): 176~178.
