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Preparation of silver/graphene/zinc oxide composite material used for degrading of formaldehyde, involves adding zinc nitrate solution to sodium hydroxide solution, filtering precipitate, washing, drying and calcining dried precipitate.
MA L
Composition useful for removing polychlorinated biphenyls in air comprises metal flocculation layer comprises cellulose, chitosan, hexadecyl trimethyl ammonium bromide, plant extract, and graphene oxide and porous titanium silicon layer.
WANG J
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