标准编号：ISO 15366-2:2014
中文名称：核燃料技术 用溶剂色谱法对同位素和同位素稀释分析用的硝酸溶液进行铀和钚的化学分离和提纯 第2部分：纳克及以下范围内含钚和铀的样品
英文名称：Nuclear fuel technology — Chemical separation and purification of uranium and plutonium in nitric acid solutions for isotopic and isotopic dilution analysis by solvent extraction chromatography — Part
发布日期：2014-07
标准范围
This part of ISO 15366 describes procedures to chemically separate and purify uranium and plutoniumin dissolved solutions of irradiated light water reactor fuels and in samples of high active liquid wasteof spent fuel reprocessing plants, prior to their isotopic analysis by e.g. mass spectrometric method(see ISO 8299[1]) or alpha spectrometry (see ISO 11483[2]). This part of ISO 15366 describes a slightlydifferent separation technique from ISO 15366-1, based on the same chemistry, using smaller columns,different support material and special purification steps, applicable to samples containing plutoniumand uranium amounts in the nanogram range and below. The detection limits were found to be 500 pgplutonium and 500 pg uranium. Annex A describes the preparation of the columns and the columnsupport materials.In comparison with ISO 15366-1, as uranium and plutonium amounts are lowest, additional purificationon an anion exchange resin is performed.
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