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采用邻菲啰啉-TTA-丙酮水相体系荧光光度法测定铕。方法的灵敏度较原法提高10倍,测定下限为0.02ppb,抗干扰性能较强,结果稳定。
Determination of Europium with Fluorescence Spectrophotometry Using Phenanthroline-TTA-Acetone Aqueous System. The sensitivity of the method is 10 times higher than the original method, the lower limit of determination is 0.02ppb, the anti-interference performance is strong and the result is stable.