Preparation of Low Cost Solid State Silver Sulfide Based Bromide Selective Electrodes
نویسنده
چکیده
Preparation and performance of a cost effective silver sulfide based bromide selective membrane is described. A solid contact between membrane and body of the electrode was examined as an ion-selective electrode by determining S 2and Br ions by direct potentiometry. A linear response to bromide ion from 2 x 10 -5 to 10 -1 M with a slope of 57.3 mV per decade [Br ] is observed. The membrane has a very short response. It gives excellent results as an indicator electrode for potentiometric titration.
منابع مشابه
Preparation and Characterization of Home-Made Silver Sulphide Based Chloride Selective Electrode
Introduction A number of works on cationic sensors have been reported in literatures [1] but less attention has been given towards the development of anionic sensors though there is a need for analysis of varieties of anions in different environmental, biomedical, industrial as well as chemical samples[2-3]. Anion sensors are simple, low cost, convenient, portable and provide quick response tow...
متن کاملSpray-coated all-solid-state potentiometric sensors.
A novel fully spray coating-based method of the preparation of all-solid-state ion-selective electrodes of simplified construction is proposed. This method is an alternative for screen-printed electrodes used sometimes in potentiometric applications. The benefits of the herein-proposed approach include fully automatic sensor preparation and minimized use of chemicals allowing for the production...
متن کاملNew Azo-Schiff Base Ligand Capped Silver and Cadmium Sulfide Nanoparticles Preparation, Characterization, Antibacterial and Antifungal Activities
A novel azo-Schiff base ligand (L) was prepared by reacting 2-hydroxy-5-(pyridine-4-yldiazenyl) benzaldehyde with 1,2-phenylenediamine. Moreover, Silver nanoparticles (Ag-NPs) and Cadmium sulfide nanoparticles (CdS-NPs) were prepared by employing azo-Schiff base ligand (L) as capping and reducing agent. The solid-state fluorescence spectroscopy was used to investigate the interaction between L ...
متن کاملA Silver/Silver Sulfide Selective Micro-Electrode Prepared by Chemical Treatment of Silver Wire
The preparation conditions and the performance of a small size Ag/Ag2S selective electrode are described. The analytical behaviour of this electrode, made by chemical treatment of a silver wire, is described in terms of potential concentration curves, standard potential, lifetime and electrode selectivity. A series of electrodes have been prepared and investigated. Their response and selectivit...
متن کاملInvestigation of silver iodide-based ion-selective membranes by scanning electrochemical microscopy
The proton concentration-distance profile developed at the interface of silver iodide-based solid-state electrodes in corroding cyanide solutions of low buffer capacity has been studied by scanning electrochemical microscopy using a potentiometric tip. The experimental results verified the theory developed earlier for the interpretation of the operation mechanism of “corrosion” type electrodes.
متن کامل