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Hydrophilic sensor membrane based on cation-selective protic chromoionophore

Krause, Christian, Werner, Tobias, Huber, Christian and Wolfbeis, Otto S. (2000) Hydrophilic sensor membrane based on cation-selective protic chromoionophore. Fresenius' Journal of Analytical Chemistry 367 (5), pp. 426-428.

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The first potassium optode based on a protic chromoionophore immobilized in a hydrogel matrix is presented. The highly selective protic chromoionophore consists of a cryptohemispherand moiety and a trinitroanilino chromophore part. The acidifying power of potassium ions over sodium ions is 0.6 pH units. This correlates with the findings in solution. In contrast to several crown and aza-crown ...


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Item type:Article
Institutions:Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik > Chemo- und Biosensorik (Prof. Antje J. Bäumner, formerly Prof. Wolfbeis)
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Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Created at the University of Regensburg:Unknown
Item ID:21065
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