Abstract
Development of Solid-state Reference Electrode Based on Sodium Polyanethol Sulfonate Immobilised on Cellulose Acetate
Highlights
An analysis method based on potentiometric ion has been widely known since the 1970s
Prior to testing the performance of the solid-state reference electrode, some headway toward the characterisation of a carbon screen-printed electrode (SPE) after coating polypyrrolechloride (PPy/Cl), and after placing the cellulose acetate membrane/sodium polyanethol sulfonate (SPS) need to be attained. This aims to ensure that polypyrrole was polymerised and SPS salt is present in the system of the solid-state reference electrode
The characterisation was performed by visual inspection, scanning electron microscopy (SEM), cyclic voltammetry (CV), 0.1 M KCl solution, and potentiometric measurements
Summary
An analysis method based on potentiometric ion has been widely known since the 1970s. This method has been used in various types of ion measurement applications, such as medical, environmental, food, beverage industry, and many more. The measurement of potential value of the system is conducted on zero current condition.[1,2] This method can measure very low ionic concentrations that is in 10−10 M or in parts per trillion (ppt).[3] According to International Union of Pure and Applied Chemistry (IUPAC), potentiometric analysis measures the potential difference that occurs between the working and reference electrodes, which is directly proportional to the logarithm of the concentration of ions.
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