Consider the extraction of UO22+ ions from pregnant solution which contains Pb2+, K+, Na+, and Ca2+ as impurities. Aside from UO22+ ions, which of the said impurities can be extracted given the following selectivity coefficients: UO22+=1.56

Consider the extraction of UO22+ ions from pregnant solution which contains Pb2+, K+, Na+, and Ca2+ as impurities. Aside from UO22+ ions, which of the said impurities can be extracted given the following selectivity coefficients: UO22+=1.56

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter17: Complexation And Precipitation Reactions And Titrations

Section: Chapter Questions

Problem 17.17QAP

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.

Question

Consider the extraction of UO₂²⁺ ions from pregnant solution which contains Pb²⁺, K⁺, Na⁺, and Ca²⁺ as impurities. Aside from UO₂²⁺ ions, which of the said impurities can be extracted given the following selectivity coefficients:

UO₂²⁺=1.56
Pb²⁺ = 5.3
K⁺ = 1.45
Na⁺= 1.32
Ca²⁺= 3.45

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