Fig. 3From: Green Synthesis, Characterization and Uses of Palladium/Platinum NanoparticlesUV-vis spectroscopy of (a) PdCl2 solution and (b) palladium nanoparticles after reduction by crude extract of Sargassum bovinum at 60 °C for 24 h. The inset shows an image of the as-prepared Pd colloidal solution and the PdCl2 solution before reaction [16]Back to article page