manganese oxide prepared by ballmilling Kenya

Cn b method for lowering content of arsenic ,the invention relates to a method for lowering content of arsenic in rice by nano manganese oxide. according to the method, a block manganese oxide product purchased in market is ground into nano manganese oxide with particle size of by controlling the ball milling time, the nano manganese oxide is added into the arsenic contaminated rice field soil, so as to reduce the content of

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