OKSIDASI SORBITOL MENGGUNAKAN MOLEKUL OKSIGEN YANG DIAKTIFASI KATALIS Pd/-Al2O3 DALAM PELARUT AIR
TheÂ sorbitolÂ hasÂ beenÂ oxidizedÂ byÂ molecularÂ oxygenÂ thatÂ activatedÂ byÂ Pd/g-Al2O3Â catalystÂ inÂ waterÂ solventÂ atÂ 70Â°C.Â TheÂ productÂ wasÂ containedÂ 1.3Â gÂ (26%)Â ofÂ theÂ glucaricÂ acid.Â TheÂ productÂ wasÂ characterizedÂ byÂ FT-IRÂ andÂ 1H-NMRÂ spectrophotometer.Â TheÂ productÂ oxidationÂ wasÂ reactedÂ withÂ solutionÂ ofÂ sodiumÂ hydroxideÂ methanolÂ atÂ 70Â°CÂ duringÂ 5Â hoursÂ producedÂ sodiumÂ dicarboxylateÂ inÂ theÂ formÂ yellowÂ gelÂ aboutÂ 0.3Â gÂ (30%).Â TheÂ productÂ wasÂ characterizedÂ byÂ FT-IRÂ andÂ 1H-NMRÂ spectrophotometer.
Keywords:Â sorbitol,Â oxidation,Â catalyst,Â Pd/g-Al2O3,Â oxygenÂ molecularÂ
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