Document Detail

Identification of degradation products of phenylarsonic acid and o-arsanilic acid in contact with suspensions of soils of volcanic origin.
MedLine Citation:
PMID:  22967557     Owner:  NLM     Status:  In-Data-Review    
A set of organoarsenicals were identified in aqueous phenylarsonic acid (PA) and o-arsanilic acid (AA) solutions treated with soil of volcanic origin in batch systems. The transformation products were separated by liquid chromatography (RP-LC) and identified with element selective inductively coupled plasma-mass spectrometry (ICP-MS) as well as molecular selective electrospray ionization-mass spectrometry (ESI-MS) detection after their HPLC separation. The identification of the main degradation products by means of ESI-MS, ESI-MS/MS and ESI-TOF-MS showed the occurrence of nitrophenylarsonic acid and methylphenylarsinic acid in the solutions containing AA and PA in contact with soils, respectively. Using irradiation of PA solution with visible light, new compounds related from PA appeared with increasing irradiation times which were identified as 4-hydroxyphenylarsonic acid, 3-hydroxyphenylarsonic acid and 2-hydroxyphenylarsonic acid. Additionally, a dihydroxyphenylarsonic compound was identified as impurity of PA.
Uriel Arroyo-Abad; Jürgen Mattusch; Monika Möder; Maria P Elizalde-González; Frank-Michael Matysik
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Publication Detail:
Type:  Journal Article     Date:  2012-06-12
Journal Detail:
Title:  Talanta     Volume:  99     ISSN:  1873-3573     ISO Abbreviation:  Talanta     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-09-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2984816R     Medline TA:  Talanta     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  310-5     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier B.V. All rights reserved.
UFZ-Helmholtz Centre for Environmental Research, Department of Analytical Chemistry, Permoserstrasse 15, 04318 Leipzig, Germany; Centro de Química, Instituto de Ciencias, Universidad Autónoma de Puebla, Ciudad Universitaria, Edif. 103H, Puebla, Pue., 72570, Mexico.
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