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Amino functional poly propyleneimine (PPI, G5) dendrimer linked silica (PPI/SiO2) was synthesized with a divergent procedure. PPI/SiO2 nanohybrid was analyzed by XRD, FTIR, TGA, BET, Zeta potential, TEM and SEM. The above analysis was applied to determine good grafting between PPI and SiO2. The adsorption performance of the PPI/SiO2 nanohybrid for the uptake of Pb2+, Ni2+, Cu2+, and Co2+ metal ions...
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