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首页> 外文期刊>Radiochimica Acta: International Journal for Chemical Aspects of Nuclear Science and Technology >Improved radioanalytical method for the simultaneous determination of Th, U, Np, Pu and Am(Cm on a single TRU column by alpha spectrometry and ICP-MS
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Improved radioanalytical method for the simultaneous determination of Th, U, Np, Pu and Am(Cm on a single TRU column by alpha spectrometry and ICP-MS

机译:改进的放射分析方法,通过α光谱和ICP-MS在单个TRU色谱柱上同时测定Th,U,Np,Pu和Am(Cm)

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摘要

A radioanalytical method based on the use of a single TRU extraction chromatographic column and selective, on-column oxidation state adjustment of actinides was developed for the determination of Th, U, Np, Pu and Am(Cm in environmental samples (such as sediment and swipe samples). The procedure of Vajda et al. [1was further investigated and optimized focusing on the separation of Th, U and Np. The improved method combines two measurement techniques-alpha spectrometry and inductively coupled plasma mass spectrometry (ICP-MS-which allows to obtain more reliable information on a wider range of isotopes: ~(228)Th, ~(230)Th, ~(232)Th, ~(234)U, ~(235)U, (U),~(238)U, ~(237)Np, ~(238)Pu, ~(239)Pu, ~(240)Pu, ~(241)Pu, ~(241)Am, ~(242)Cm, ~(243)Cm and ~(244)Cm from one sample.
机译:建立了一种基于单TRU萃取色谱柱和act系元素选择性,柱上氧化态调节的放射分析方法,用于测定环境样品(如沉积物和沉淀物)中的Th,U,Np,Pu和Am(Cm) Vajda等人[1的方法进一步研究和优化,着重于Th,U和Np的分离。改进的方法结合了两种测量技术-α光谱法和电感耦合等离子体质谱法(ICP-MS-可以在更大范围的同位素上获得更可靠的信息:〜(228)Th,〜(230)Th,〜(232)Th,〜(234)U,〜(235)U,(U),〜(238) U,〜(237)Np,〜(238)Pu,〜(239)Pu,〜(240)Pu,〜(241)Pu,〜(241)Am,〜(242)Cm,〜(243)Cm和一个样品中的〜(244)Cm。

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