Determination of selenium-79 in solutions of fission products after pre-treatment by ion exchange chromatography and ETV-ICP-MS
作者： J�r�me Comte , Philippe Bienvenu , Eric Brochard , Jean-Marie Fernandez , Gilbert Andreoletti
DOI: 10.1039/B209253K
关键词: Ion chromatography 、 Inductively coupled plasma mass spectrometry 、 Selenium-79 、 Nuclear reprocessing 、 Selenium 、 Chromatography 、 Nuclear fission product 、 Chemistry 、 Ion exchange 、 Fission products
摘要: The work presented in this article concerns the development of a method for determination selenium-79 fission product (FP) solutions resulting from nuclear fuel reprocessing. 79Se (T1/2 = 106 y) was measured using electrothermal vaporisation coupled with inductively plasma mass spectrometry (ETV-ICP/MS) after single chemical separation step to extract Se high activity solution (1010 Bq l−1). results showed that ion exchange produced sufficiently decontaminated respect major β/γ emitters and had significant selenium recovery yield (85%). ETV parameters, example furnace program, quantity palladium nitrate used as modifier, gas flow rates, were optimised. association eliminated all interferences normally associated 79Se. concentration products 0.43 mg l−1.
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