Speciation Analysis of 129I and 127I in Aerosols Using Sequential Extraction and Mass Spectrometry Detection
作者： Luyuan Zhang , Xiaolin Hou , Sheng Xu
DOI: 10.1021/ACS.ANALCHEM.5B01555
关键词: Chromatography 、 Iodide 、 Iodate 、 Iodine 、 Chemistry 、 Mass spectrometry 、 Accelerator mass spectrometry 、 Leaching (metallurgy) 、 Ashing 、 Extraction (chemistry)
摘要: A new analytical method has been developed for speciation analysis of 127I and 129I in aerosols collected on polypropylene (PP) filter paper. Iodide, iodate, NaOH soluble iodine, insoluble iodine were separated from using sequential extraction, chromatography separation, alkaline ashing measured inductive coupled plasma mass spectrometry (ICP-MS) accelerator (AMS) 129I. Parameters affecting the leaching efficiency stability species, such as time temperature, amount reagent ashing, temperature time, protective agent, investigated optimized. It was observed that long water would change inorganic species due to photochemical oxidation iodide PP surface. can only extract less than 60% studied aerosol filters even under heating, implying total might be underestimated by leaching. T...
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