Document Detail

Transient signals with an Antimony(V) ion-selective electrode: The relative signal return rate as a selectivity parameter.
MedLine Citation:
PMID:  18965973     Owner:  NLM     Status:  In-Data-Review    
The dynamic response of a Sb(5+) ion-selective electrode based on 1,2,4,6-tetraphenylpyridinium hexachloroantimonate(V) to different ions, ClO(-)(4), HgCl3(-)(3), AuCl(-)(4),TlCl(-)(4), SbCl(-)(6) and tetraphenylborate, in a flow-injection analysis system using a flow-through cell, is studied. The transient signals obtained are different for every ion. A parameter called relative return rate, defined as the ratio of the return rate to peak height, was found to be characteristic for each ion. It was constant up to a concentration range of three decades for those ions with selectivity coefficients K(pot)(sb,j) 1, thus providing a new source of analytical selectivity. Flow injection variables were studied in order to ascertain their influence on this new parameter.
J A Ortuño; C Sánchez-Pedreño; R F de Bobadilla
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Talanta     Volume:  41     ISSN:  0039-9140     ISO Abbreviation:  Talanta     Publication Date:  1994 Apr 
Date Detail:
Created Date:  2008-10-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2984816R     Medline TA:  Talanta     Country:  England    
Other Details:
Languages:  eng     Pagination:  627-30     Citation Subset:  -    
Department of Analytical Chemistry, Faculty of Chemistry, University of Murcia, 30071 Murcia, Spain.
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