Linked Life Data

12556033

Source:http://linkedlifedata.com/resource/pubmed/id/12556033

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
11-12
pubmed:dateCreated
2003-1-30
pubmed:abstractText
A new interpretative model for interpolation of potentiometric data from liquid membrane ion selective electrodes has been formulated; the model allows one to achieve information about partitioning equilibria establishing at the membrane-analysed solution interface of hydrophilic cations present in the membrane as counterions of exchanger lipophylic anions. The fundamental importance of such equilibria is related to their contribution to the detection limit of the electrodes. The soundness of the proposed model was positively verified by employing it in the characterization of new K(+)-selective electrodes based on a calixarenic ionophore. Although the validity of interpolation based on our model does not significantly differ from that obtained with the simpler model providing the inclusion of a constant parameter in the logarithmic argument of Nicolski-Eisenman's equation, the information obtained resulted to be analytically suitable for optimising the membrane composition and, as a consequence, the performance of the electrodes.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0003-4592
pubmed:author
pubmed:issnType
Print
pubmed:volume
92
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1099-107
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:articleTitle
Effect of lipophylic salts on ise detection limit: application to calixarene-based highly efficient potassium-selective electrodes.
pubmed:affiliation
Dipartimento di Chimica Generale, Inorganica, Analitica e Chimica Fisica, Università di Parma, Parco Area delle Scienze 17/A, I-43100 Parma, Italy.
pubmed:publicationType
Journal Article