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GUAN JINGSU JI JUNYING GAO BINGHUA LIU YINGMEI (China Institute of Atomic Energy, P.O. Box 275, Beijing, 102413). DETERMINATION OF TRACE Gd, Sm, Dy AND Eu IN MnSO_4 BY ICP-AES AFTER SEPARATION WITH CATION EXCHANGE METHOD[J]. Atomic Energy Science and Technology, 1992, 26(1): 80-80. DOI: 10.7538/yzk.1992.26.01.0080
Citation: GUAN JINGSU JI JUNYING GAO BINGHUA LIU YINGMEI (China Institute of Atomic Energy, P.O. Box 275, Beijing, 102413). DETERMINATION OF TRACE Gd, Sm, Dy AND Eu IN MnSO_4 BY ICP-AES AFTER SEPARATION WITH CATION EXCHANGE METHOD[J]. Atomic Energy Science and Technology, 1992, 26(1): 80-80. DOI: 10.7538/yzk.1992.26.01.0080
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DETERMINATION OF TRACE Gd, Sm, Dy AND Eu IN MnSO_4 BY ICP-AES AFTER SEPARATION WITH CATION EXCHANGE METHOD

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    • Abstract
  • A method for determination of trace Gd, Sin, Dy, Eu in MnSO_4 is described. The manganese is separated from rare earth elements by cation exchange resin with 2 mol/l HCl as eluent. The concentration of rare earths is determined by ICP-AES. With a sample of 50mg, the determination limit of Gd, Sm is 0.4×10~(-6), Dy, Eu is 0.08×10~(-6), the recovery is in the range of 88%～105%, the relative standard deviation (RSD) is less than 11%.
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