Inorganic Mercury Sequestration by a Poly(ethylene imine) Dendrimer in Aqueous Solution
Abstract
:1. Introduction
2. Results and Discussion
Equilibria | logK |
---|---|
L + Hg2+ = HgL2+ | 28.17(5) |
HgL2+ + H+ = HgLH3+ | 9.64(6) |
HgLH3+ + H+ = HgLH24+ | 8.91(7) |
HgLH24+ + H+ = HgLH35+ | 8.45(5) |
HgLH35+ + H+ = HgLH46+ | 6.13(4) |
HgLH46+ + H+ = HgLH57+ | 4.85(5) |
L + 2Hg2+ = Hg2L4+ | 48.38(8) |
Hg2L4+ + H+ = Hg2LH5+ | 9.41(9) |
Hg2LH5+ + H+ = Hg2LH26+ | 6.63(6) |
HgL2+ + Hg2+ = Hg2L4+ | 20.21(9) |
2L + 3Hg2+ = Hg3L26+ | 79.4(1) |
Hg3L26+ + H+ = Hg3HL27+ | 10.4(2) |
Hg3L2H7+ + H+ = Hg3L2H28+ | 9.0(2) |
Hg2L4+ + HgL2+ = Hg3L26+ | 2.9(2) |
L + 3Hg2+ = Hg3L6+ | 66.74(5) |
Hg3L6+ + OH− = Hg3LOH5+ | 4.83(8) |
Hg2L4+ + Hg2+ = Hg3L6+ | 18.36(8) |
H7L7+ + HgCl42− = [(H7L)HgCl4]5+ | 2.7(1) |
H8L8+ + HgCl42− = [(H8L)HgCl4]6+ | 2.8(1) |
3. Experimental Section
3.1. General
3.2. Potentiometric Measurements
4. Conclusions
Supplementary Materials
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Serrano, E.S.; Savastano, M.; Bianchi, A. Inorganic Mercury Sequestration by a Poly(ethylene imine) Dendrimer in Aqueous Solution. Molecules 2015, 20, 3783-3790. https://doi.org/10.3390/molecules20033783
Serrano ES, Savastano M, Bianchi A. Inorganic Mercury Sequestration by a Poly(ethylene imine) Dendrimer in Aqueous Solution. Molecules. 2015; 20(3):3783-3790. https://doi.org/10.3390/molecules20033783
Chicago/Turabian StyleSerrano, Elena Salvador, Matteo Savastano, and Antonio Bianchi. 2015. "Inorganic Mercury Sequestration by a Poly(ethylene imine) Dendrimer in Aqueous Solution" Molecules 20, no. 3: 3783-3790. https://doi.org/10.3390/molecules20033783