The Use of Ion-Selective Phases in Potentiometric Measurements Is Based

question 5

Multiple Choice

The use of ion-selective phases in potentiometric measurements is based on the potential that develops:

• A)across the ion-selective phase once the ion has been captured in the ion-selective phase
• B)after the ion passes through the ion-selective phase into the internal filling solution
• C)across the liquid junction located between the tip of the reference electrode and the solution being measured
• D)at the Ag/AgCl interface of the reference electrode

---

Definitions:

Factorial ANOVA

A statistical method for comparing the means of multiple groups across two or more independent variables.

Univariate

Describes analyses conducted with a single variable to describe its distribution, central tendency, and variability.

ANOVA Table

A structured presentation of variance analysis that includes source, degrees of freedom, sum of squares, mean square, and F value.

Independent Variables

Variables in an experiment or statistical model that are manipulated or categorized to examine their effect on the dependent variables without being influenced by other variables in the study.