Given the following orders of selectivity for cations and anions in ion chromatography: 4+ 3+ > 2+ Cations- Pu >>La Ce 3+ 2+ ΑΙ >> Ba > Pb+ 2+ 2+ Co Zn >Mg + + Na > H > Li + 2- 2+ 2+ 3+ 3+ 3+ 3+ > Pr > Eu > Y Sc 2+ > Sr > Ca > Ni > Cd > Cu 2+ + + + > UO >> Ti >Ag > Rb > K > NH > Anions- SO> > HSO > N > Bг- > NO̟ > CI > HCO¸ >CH COO > OH > F 4 What will be the order of elution of the following ions on a suppressed-ion cation chromatography column? OH, Eu3+, Na+, Ag+, NH4+, Co²+, SO42-, CH3COO a) Na* Co²+= Eu3+, OH-, CH3COO, SO4²- b) OH = CH3COO-S042, Na+, Ag+, Co²+, Eu3+ c) SO4² = CH3COOOH, Eu3+, Co²+, Ag+, Na+ d) Ag*, Co²+, Na+ = Eu3+, OH, CH3COO, SO₁²- e) Na+, Ag+, Co²+, Eu3+, OH-= CH3COO¯ = S04² Choose one and why?
Given the following orders of selectivity for cations and anions in ion chromatography: 4+ 3+ > 2+ Cations- Pu >>La Ce 3+ 2+ ΑΙ >> Ba > Pb+ 2+ 2+ Co Zn >Mg + + Na > H > Li + 2- 2+ 2+ 3+ 3+ 3+ 3+ > Pr > Eu > Y Sc 2+ > Sr > Ca > Ni > Cd > Cu 2+ + + + > UO >> Ti >Ag > Rb > K > NH > Anions- SO> > HSO > N > Bг- > NO̟ > CI > HCO¸ >CH COO > OH > F 4 What will be the order of elution of the following ions on a suppressed-ion cation chromatography column? OH, Eu3+, Na+, Ag+, NH4+, Co²+, SO42-, CH3COO a) Na* Co²+= Eu3+, OH-, CH3COO, SO4²- b) OH = CH3COO-S042, Na+, Ag+, Co²+, Eu3+ c) SO4² = CH3COOOH, Eu3+, Co²+, Ag+, Na+ d) Ag*, Co²+, Na+ = Eu3+, OH, CH3COO, SO₁²- e) Na+, Ag+, Co²+, Eu3+, OH-= CH3COO¯ = S04² Choose one and why?
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Given the following orders of selectivity for cations and anions in ion
chromatography:
4+
3+
>
2+
Cations- Pu >>La Ce
3+
2+
ΑΙ >> Ba > Pb+
2+
2+
Co Zn >Mg
+
+
Na > H > Li
+
2-
2+
2+
3+
3+
3+
3+
>
Pr > Eu
> Y
Sc
2+
> Sr > Ca > Ni > Cd > Cu
2+
+
+
+
> UO >> Ti >Ag > Rb > K > NH >
Anions- SO> > HSO > N > Bг- > NO̟ > CI > HCO¸
>CH COO > OH > F
4
What will be the order of elution of the following ions on a
suppressed-ion cation chromatography column?
OH, Eu3+, Na+, Ag+, NH4+, Co²+, SO42-, CH3COO
a) Na* Co²+= Eu3+, OH-, CH3COO, SO4²-
b) OH = CH3COO-S042, Na+, Ag+, Co²+, Eu3+
c) SO4² = CH3COOOH, Eu3+, Co²+, Ag+, Na+
d) Ag*, Co²+, Na+ = Eu3+, OH, CH3COO, SO₁²-
e) Na+, Ag+, Co²+, Eu3+, OH-= CH3COO¯ = S04²
Choose one and why?
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