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Title of Journal: Microchim Acta

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Abbravation: Microchimica Acta

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Springer-Verlag

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1436-5073

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Arsenic Speciation Analysis in Solutions Treated w

Authors: María P ElizaldeGonzález Jürgen Mattusch Rainer Wennrich
Publish Date: 2005/09/27
Volume: 151, Issue: 3-4, Pages: 257-262
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Abstract

Experiments have been carried out to study the behaviour of organoarsenicals treated with zeolites by means of speciation analysis ICICPMS was applied to identify and quantify arsenite arsenate and the following organoarsenicals monomethylarsonic acid MMA dimethylarsinic acid DMA trimethylarsine oxide TMAO tetramethylarsonium bromide TMA+ arsenobetaine AsB and arsenocholine AsC Zeolites loaded with ferrous ions did not significantly increase the retention of inorganic arsenic species compared to the native zeolites while there was a tenfold removal of arsenate relating to arsenite The formation of AsV and DMA in the leachates containing clinoptilolites and mordenites was confirmed in the presence of natural and synthetic zeolites Arsenobetaine and arsenocholine yielded higher levels of arsenate than the methylated species

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