Synthesis of chitosan resin possessing a phenylarsonic acid moiety for collection/concentration of uranium and its determination by ICP-AES
作者： Koji Oshita , Kenji Seo , Akhmad Sabarudin , Mitsuko Oshima , Toshio Takayanagi
DOI: 10.1007/S00216-008-1931-1
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摘要: A chitosan resin possessing a phenylarsonic acid moiety (phenylarsonic type resin) was developed for the collection and concentration of trace uranium prior to inductively coupled plasma (ICP) atomic emission spectrometry (AES) measurement. The adsorption behavior 52 elements systematically examined by packing it in minicolumn measuring effluent ICP mass spectrometry. could adsorb several cationic species chelating mechanism, oxo acids, such as Ti(IV), V(V), Mo(VI), W(VI), an anion-exchange mechanism and/or mechanism. Especially, U(VI) be adsorbed almost 100% over wide pH region from 4 8. Uranium easily eluted with 1 M nitric (10 mL), 25-fold preconcentration achieved using proposed column procedure, which applied determination seawater ICP-AES. limit detection 0.1 ng mL−1 measurement ICP-AES preconcentration.
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