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Organic analysis with a new Ag(+)-selective membrane electrode.

V V Coşofreţ¹, C Stefanescu, A A Bunaciu

¹Institute of Chemical and Pharmaceutical Research, Bucharest, Sos. Vitan 112, 74351 Bucharest, Romania.

|November 1, 1979

Summary

Researchers developed a novel silver ion-selective electrode using a specialized chelate. This electrode enables precise determination of beta-chlorovinyl ketones through potentiometric titration, offering a new analytical method.

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Area of Science:

Electrochemistry
Analytical Chemistry
Organic Chemistry

Background:

Development of selective ion-selective electrodes is crucial for accurate chemical analysis.
Silver ion (Ag+) detection is important in various chemical and environmental applications.
Existing methods for beta-chlorovinyl ketone determination may lack sensitivity or specificity.

Purpose of the Study:

To synthesize and characterize a new Ag(+)-selective membrane electrode.
To establish a novel potentiometric method for determining beta-chlorovinyl ketones.
To evaluate the electrode's performance in terms of stability, reproducibility, and sensitivity.

Main Methods:

Fabrication of a graphite-based membrane electrode impregnated with a silver(I) chelate.
Electrode characterization using potentiometric measurements across a range of Ag+ concentrations.
Application of the electrode in potentiometric titration for beta-chlorovinyl ketone analysis.

Main Results:

The developed electrode demonstrated stable and reproducible responses to Ag+ from 10(-1) to 10(-5)M.
A consistent slope of 60 mV/decade was observed for the electrode's response.
The electrode was successfully employed in a new method for determining beta-chlorovinyl ketones via chloride displacement titration.

Conclusions:

A novel and effective Ag(+)-selective membrane electrode has been successfully developed.
The electrode provides a reliable platform for sensitive and accurate potentiometric determination of silver ions.
This work introduces a new analytical approach for quantifying beta-chlorovinyl ketones using the developed silver ion electrode.