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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 25, Number 10
BKCSDE 25(10)
October 20, 2004 

Sodium Ion-Selective Membrane Electrode Based on Dibenzopyridino-18-Crown-6
Nahid Tavakkoli
Sodium ion selective electrode, Crown ether, Potentiometry
A sodium ion- selective electrode based on dibenzopyridino-18-crown-6 as membrane carrier was successfully prepared. The electrode exhibits a Nernstian response for Na+ ions within the concentration range of 1.0 × 10?4-1.0 × 10?1 M. The response time of the sensor is 20 s. The sodium ion-selective electrode exhibited comparatively good selectivities with respect to alkali, alkaline earth and some transition metal ions.
1474 - 1476
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