Determination of selenium(IV) and selenium(VI) in natural water samples by neutron activation analysis after chemical pre-collection
作者： Y. Sakai , K. Tomura , K. Ohshita
DOI: 10.1007/BF02165774
关键词: Radiochemistry 、 Neutron activation analysis 、 Thiol 、 Activated carbon 、 Nuclear chemistry 、 Neutron activation 、 Seawater 、 Chemistry 、 Selenium 、 Adsorption 、 Neutron temperature
摘要: Neutron activation analysis using shortlived77mSe (T=17.5 s) preceded by chemical pre-collection of Se on activated carbon (AC) has been applied to the fractional determination Se(IV) and Se(VI) in natural water samples such as river sea water. Two procedures were adopted: adsorption Se(IV)/Bismuthiol-II complex AC Se(VI)/Bismuthiol-II after reduction Se(IV). It was shown that can be determined at a <μg l−1 (ppb) level waters present method.
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