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pro vyhledávání: '"Mohamed Sh. Khalil"'
Publikováno v:
Phosphorus Research Bulletin. 14:77-87
Publikováno v:
Phosphorus Research Bulletin. 12:77-89
Publikováno v:
Analytical Letters. 26:1227-1242
The use of a cellulose ion-exchanger (Hyphan) for the isolation of MnO4 −, CrO4 2- and MoO4 2- from aqueous solution after reduction with different reducing agents is described. After preconcentration, Mn(II), Cr(III) and molybdenum cations were de