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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Direct Determination of Tellurium in Simulated Nuclear Spent Fuels by Hydride Generation-Inductively Coupled Plasma Atomic Emission Spectrometry

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.6, pp.781-788
Choi, Kwang Soon
Lee, Chang Heon
Han, Sun Ho
Joe, Kih Soo
Kim, Won Ho
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Abstract

Tellurium in simulated nuclear spent fuels (SIMFUEL) has been determined by hydride generation-inductively coupled plasma atomic emission spectrometry (HG-ICP-AES). Parameters such as concentrations of HCl and <TEX>$NaBH_4$</TEX>, flow rate of HCl and <TEX>$NaBH_4$</TEX> were optimized and then the effects of U, Mo, Pd, Rh and Ru on the Te intensity were investigated. A thiourea as a masking agent was used to eliminate or minimize such interferences specially caused by palladium. Tellurium was measured by HG-ICP-AES and ICP-MS after separation of tellurium from SIMFUEL with cation exchange chromatography. The relative deviation between direct measurement and separation method was less than 6% based on the data by ICP-MS.

keywords
HG-ICP-AES, tellurium, pre-reduction, SIMFUEL, thiourea


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