Research Article

The Solid Phase Extraction of Some Metal Ions Using Palladium Nanoparticles Attached to Silica Gel Chemically Bonded by Silica-Bonded N-Propylmorpholine as New Sorbent prior to Their Determination by Flame Atomic Absorption Spectroscopy

Figure 5

(a) Effect of pH on recoveries of analyte ions ( 𝑁 = 3 ), (b) effect of amount of ligand on recoveries ( 𝑁 = 3 ).
764195.fig.005a
(a)
764195.fig.005b
(b)