Design and Synthesis of Reusable Nanoparticles for Reversible Chemisorption of Hexavalent Chromium Anions from Aqueous Media and Catalysis
Effect of (a) amount of catalyst (Fe3O4@SiO2@LEuH@PW10) and (b) amount of H2O2 used in bromination of phenol red to bromophenol blue. Reaction conditions are as follows 10 ml of 1.0 mM phenol red in water + 10 ml of 10.0 mM NH4Br in water + 2.5 mM H2O2 in reaction a + 0.5 g of catalyst in reaction b, in a round-bottomed flask. Time = 10 minutes, T = 298 K, and atm.
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