Quantitative Chemical Analysis
Quantitative Chemical Analysis
9th Edition
ISBN: 9781464135385
Author: Daniel C. Harris
Publisher: W. H. Freeman
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Chapter 15, Problem 15.42P
Interpretation Introduction

Interpretation:

The potential if the pH were lowered to 1.1 and the ionic strength were kept constant has to be calculated.

Concept Introduction:

Selectivity coefficient:

Selectivity is an amount of a method’s freedom from interferences.

The selectivity of a process for the interferent comparative to the analyte is well-defined by a selectivity coefficient

KA,I=kIkA

Ion-selective electrode:

An ion-selective electrode (ISE) best known as a specific ion electrode (SIE), is a sensor (or transducer) that transforms the activity of a specific ion dissolved in a solution into an electrical potential.

Ion-selective electrode obeys following equation.

E=constant-0.05916log[CN-]

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