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ZHANG Xie,LUO Ming biao,LIU Zhi rong,YAN Yun chao (Department of Applied Chemistry, East China Geological Institute, Fuzhou 344000, China). Simultaneous Determination of U(Ⅳ) and U(Ⅵ) by Linear Combination of Multi-wavelength Data Spectrophotometry[J]. Atomic Energy Science and Technology, 2001, 35(S1): 131-131. DOI: 10.7538/yzk.2001.35.S1.0131
Citation: ZHANG Xie,LUO Ming biao,LIU Zhi rong,YAN Yun chao (Department of Applied Chemistry, East China Geological Institute, Fuzhou 344000, China). Simultaneous Determination of U(Ⅳ) and U(Ⅵ) by Linear Combination of Multi-wavelength Data Spectrophotometry[J]. Atomic Energy Science and Technology, 2001, 35(S1): 131-131. DOI: 10.7538/yzk.2001.35.S1.0131
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Simultaneous Determination of U(Ⅳ) and U(Ⅵ) by Linear Combination of Multi-wavelength Data Spectrophotometry

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  • In the medium of hydrochloric acid,uranium(Ⅳ) and uranium(Ⅵ) can completely colored with chlorophosphonazo Ⅲ. The linear range is 0～70 and 0～60 μg in a sample with a volume of 25 mL for U(Ⅵ) and U(Ⅳ), respectively. The complexes have good additive property in the range of 620～710 nm. Their molar absorptivity are bigger than 10 4 L·mol -1 ·cm -1. Linear combination of multi wavelength data method is applied to do with the calculation.The results show that the method is simple,rapid,sensitive and accurate.
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