Potentiometric Determination of Fluoride in Toothpaste As a precaution, explain why the tip of the electrode should not come into contact with any solid surface. What is the sign of the slope of Ecell vs ln[F¯]? Explain why. Draw CDTA. What kind of error (positive or negative) will be in effect if CDTA is not used?
Potentiometric Determination of Fluoride in Toothpaste As a precaution, explain why the tip of the electrode should not come into contact with any solid surface. What is the sign of the slope of Ecell vs ln[F¯]? Explain why. Draw CDTA. What kind of error (positive or negative) will be in effect if CDTA is not used?
Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter25: Voltammetry
Section: Chapter Questions
Problem 25.12QAP
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Question
Potentiometric Determination of Fluoride in Toothpaste
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As a precaution, explain why the tip of the electrode should not come into contact with any solid surface.
-
What is the sign of the slope of Ecell vs ln[F¯]? Explain why.
-
Draw CDTA. What kind of error (positive or negative) will be in effect if CDTA is not used?
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