Waste chicken eggshell as a natural valuable resource and environmentally benign support for biosynthesis of catalytically active Cu/eggshell, Fe3O4/eggshell and Cu/Fe3O4/eggshell nanocomposites
Keywords: رنگ های ارگانیک; Eggshell; Orchis mascula L.; NaBH4; Organic dyes; Water