CCD‐Type Sodium Ion Image Sensor: Dynamic Observation of Ion‐Exchange Reactions of a Single Na‐Type Cation‐Exchange Resin Bead | Zendy

Hattori Toshiaki | Zendy; Yoshitomo Masaki | Zendy; Mori Satoshi | Zendy; Miyamoto Daichi | Zendy; Kato Ryo | Zendy; Sawada Kazuaki | Zendy

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CCD‐Type Sodium Ion Image Sensor: Dynamic Observation of Ion‐Exchange Reactions of a Single Na‐Type Cation‐Exchange Resin Bead

Author(s) -

Hattori Toshiaki,

Yoshitomo Masaki,

Mori Satoshi,

Miyamoto Daichi,

Kato Ryo,

Sawada Kazuaki

Publication year - 2012

Publication title -

electroanalysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.574

H-Index - 128

eISSN - 1521-4109

pISSN - 1040-0397

DOI - 10.1002/elan.201100442

Subject(s) - sodium , ion exchange , ion , chemistry , membrane , analytical chemistry (journal) , selectivity , inorganic chemistry , chromatography , catalysis , biochemistry , organic chemistry

A new sodium ion image sensor containing a CCD‐type semiconductor and a plasticized PVC sodium ion selective membrane was developed. The output potential slope was linear for sodium ion concentrations from 10 −1 to 10 −5 M. The optimum membrane possessed a near Nernstian response and high selectivity to sodium ions. The sensor can take sodium ion images with a fast response, 0.2 s per image, allowing it to easily monitor the ion‐exchange reactions of a single Na‐type cation‐exchange resin bead. It was found that Na + ‐Ba 2+ ion‐exchange was faster than Na + ‐Ca 2+ ion‐exchange in the initial period.

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