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GUAN JINGSU;JI JUNGING;XU AIMIN;SHI YOUQING;GAO BINGHUA Institute of Atomic Energy, P. O. Box 275, Beijing. THE DETERMINATION OF TRACE Gd, Sm, Dy, and Eu IN Zr-Nb ALLOY BY CATION ION-EXCHANGE SEPARATION-HORIZONTAL ICP-AES METHOD[J]. Atomic Energy Science and Technology, 1986, 20(2): 238-238. DOI: 10.7538/yzk.1986.20.02.0238
Citation: GUAN JINGSU;JI JUNGING;XU AIMIN;SHI YOUQING;GAO BINGHUA Institute of Atomic Energy, P. O. Box 275, Beijing. THE DETERMINATION OF TRACE Gd, Sm, Dy, and Eu IN Zr-Nb ALLOY BY CATION ION-EXCHANGE SEPARATION-HORIZONTAL ICP-AES METHOD[J]. Atomic Energy Science and Technology, 1986, 20(2): 238-238. DOI: 10.7538/yzk.1986.20.02.0238
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THE DETERMINATION OF TRACE Gd, Sm, Dy, and Eu IN Zr-Nb ALLOY BY CATION ION-EXCHANGE SEPARATION-HORIZONTAL ICP-AES METHOD

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  • In this method, the Zr--Nb alloy sample is disolved in HF and converted intosulfates with H_2SO_4. Then the RE are separated from Zr and the other elementswith cation ion--exchange resin, and then determined by horizontal ICP--AES. Thismethod can determine 0.04ppm Gd, Sm and 0.008ppm Dy, Eu and with 1 gramsample the relative standard deviation is less than ± 15%. The percentage recoveryis 90--115%. This method is also simple and rapid.
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