Analyses of organics in irradiated aqueous N, N-diettiyihydroxylamine solution |
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| Authors: | Jinhua WANG Ying WAN Minghong WU Borong BAO Xilian SUN Weifang ZHENG Shengdong ZHANG |
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| Affiliation: | aShanghai Applied Radiation Institute, School of Environmental and Chemical Engineering, Shanghai University; Shanghai 201800, China;bRadiochemislry Department, China Institute of Atomic Energy, Beijing 102413, China |
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| Abstract: | The organics in γ-ray irradiated aqueous N, N-diethylhydroxylamine (DEHA) solution, which is used as a reducing agent in reprocessing spent nuclear fuel were analyzed with gas chromatography equipped with FFAP capillary column and flame-ionization detector. It was found that irradiated DEHA solutions contained acetaldehyde, ethanol, and acetic acid. For DEHA of 0.2 mol/L irradiated to 10∼1000 kGy, the concents of acetaldehyde, ethanol and acetic acid are (9.7∼18.7)×10−3, (0.4∼23.4)×10−3 and (6.5∼11.7)×10−3 mol/L, respectively. The concentration of DEHA decreases obviously with the dose. |
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| Keywords: | N, N-diethylhydroxylamine Radiolysis Organics analysis |
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