We found that dibenzo-18-crown-6 (DB18C6) can be used as an ionophore to make a tin (II)-ionselective membrane electrode. The electrode exhibits a near Nernstian response for Sn2+ ions over a concentration range from 1.0× 10-6 – 1.0× 10-2 M with a slope of 27.5 ± 0.6 mV per concentration decade in an acidic solution (pH=1). The limit of detection was 8.0× 10-7 M. It has a response time of < 20s and can be used for at least 3 months without any divergence in potentials. The proposed membrane electrode revealed very good selectivity for Sn2+ ions over a wide variety of other cations and could be used in acidic media. It was used as indicator electrode in potentiometric determination of tin (II) ion in real sample.
Aghaie, H., Giahi, M. G., Aghaei, M., & Arvand3, M. (2004). Sn (II) Ion- Selective Membrane Electrode based on Dibenzo-18-Crown-6. Journal of Physical & Theoretical Chemistry, 1(1), 15-19.
MLA
H. Aghaie; M. Giahi1 Giahi; M. Aghaei; M. Arvand3. "Sn (II) Ion- Selective Membrane Electrode based on Dibenzo-18-Crown-6". Journal of Physical & Theoretical Chemistry, 1, 1, 2004, 15-19.
HARVARD
Aghaie, H., Giahi, M. G., Aghaei, M., Arvand3, M. (2004). 'Sn (II) Ion- Selective Membrane Electrode based on Dibenzo-18-Crown-6', Journal of Physical & Theoretical Chemistry, 1(1), pp. 15-19.
VANCOUVER
Aghaie, H., Giahi, M. G., Aghaei, M., Arvand3, M. Sn (II) Ion- Selective Membrane Electrode based on Dibenzo-18-Crown-6. Journal of Physical & Theoretical Chemistry, 2004; 1(1): 15-19.
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