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Liquid-membrane Electrode Sensitive to Ammonia and Aliphatic Amines Based on 1-[(2-oxyphenyl)iminomethly]-2-oxybenzene-O,O',N-ammin-nickel(II) Complex

Liquid-membrane Electrode Sensitive to Ammonia and Aliphatic Amines Based on 1-[(2-oxyphenyl)iminomethly]-2-oxybenzene-O,O',N-ammin-nickel(II) Complex

Ozlem Başgut, Zehra Durmuş, Orhan Atakol, Esma Kılıç

Talanta. 2002 Jun 10;57(4):813-7.

PMID: 18968684

Abstract:

In this study, an ammonia-gas-sensing liquid-state membrane electrode based on 1-[(2-oxyphenyl)iminomethyl]-2-oxybenzene-O,O',N-ammin-nickel(II) (Ni(II)-Schiff base) as an ionophore was developed. This membrane electrode gave a very good performance and exhibited linear response with near-Nernstian slope of 50.7+/-0.5 mV per decade, within a concentration range of 1.0x10(-1)-1.0x10(-3) M. The electrode performance depends on the pH of the test solution and the optimum pH range was 10.0-11.5. The effect of concentration of internal solutions in the electrode was also investigated. The selectivity properties of the electrode towards aliphatic amines at a pH value of 10.2 were investigated with the mixed-solution method. Furthermore, the response time and lifetime of the electrode prepared were determined.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP14609542-A	Nickel ionophore II		14609-54-2	Price

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