Exploring Chemical Analysis
Exploring Chemical Analysis
5th Edition
ISBN: 9781429275033
Author: Daniel C. Harris
Publisher: Macmillan Higher Education
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Chapter 13, Problem 13.28P
Interpretation Introduction

Interpretation:

Predominant species of sulfate and DTPA at pH 14 and pH 3 have to be determined. Also, dissolution of BaSO4 in DTPA in 1 M NaOH and its reprecipitation with decrease in pH to 3-4 has to be explained.

Concept Introduction:

EDTA or ethylenediaminetetraacetic acid is used for titration of majority of metals with help of formation of strong metal complexes in the ratio of 1:1. It is utilized to bind metals, most commonly used in industrial processes. It is also used for prevention of food oxidation and in environmental chemistry.

DTPA or diethylenetriaminepentaacetic acid is also used as agent required to form complexes with metal ions and is utilized in many industries. It is analogous to EDTA in its role to form complexes with other species.

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