Research Article

Reversed-Phase Liquid Chromatographic Separation and Determination of Ni(II), Cu(II), Pd(II), and Ag(I) Using 2-Pyrrolecarboxaldehyde-4-phenylsemicarbazone as a Complexing Reagent

Figure 1

2-Pyrrolecarboxaldehyde-4-phenylsemicarbazone.
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