Zn-metalloporphyrins containing pyridyl groups and their comparative capacity to coordinate hexachloroplatinic acid

Two Zn-metalloporphyrins, both containing at least one-pyridyl group, were studied regarding their capacity to complex hexachloroplatinic acid comprised in leaching solutions and resulted after hydrometallurgical processes on spent automotive catalysts. The number of pyridyl groups and the steric an...

Teljes leírás

Elmentve itt :
Bibliográfiai részletek
Szerzők: Anghel Diana
Lascu Anca
Fratilescu Ion
Epuran Camelia
Fagadar-Cosma Eugenia
Testületi szerző: International Symposium on Analytical and Environmental Problems (25.) (2019) (Szeged)
Dokumentumtípus: Könyv része
Megjelent: 2019
Sorozat:Proceedings of the International Symposium on Analytical and Environmental Problems
Kulcsszavak:Környezetkémia, Kémia
Online Access:http://acta.bibl.u-szeged.hu/64789
Leíró adatok
Tartalmi kivonat:Two Zn-metalloporphyrins, both containing at least one-pyridyl group, were studied regarding their capacity to complex hexachloroplatinic acid comprised in leaching solutions and resulted after hydrometallurgical processes on spent automotive catalysts. The number of pyridyl groups and the steric and electronic influences from surrounding groups determine a different type of coordination with the hexachloroplatinic acid from solution, and surprisingly, although containing only one group of basic pyridyl, the unsymmetrical Zn(II)- 5-pyridyl-10,15,20-tris-(3,4-di-methoxy-phenyl)-porphyrin had a removal capacity of 98% higher than that of Zn(II)-meso-tetrakis-pyridylporphyrin, substituted with four pyridyl groups, but with only a removal capacity of 84 % .
Terjedelem/Fizikai jellemzők:100-103
ISBN:978-963-306-702-4