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| - Examples of inorganic compounds include porous substances formed from silicon dioxide, titanium dioxide, zinc oxide, aluminum oxide or the like, porous substances such as zeolite, silica gel, active carbon or the like, or organic acid salts such as acetates or citrates, inorganic acid salts such as sulfates, phosphates, nitrates, chlorides, hydroxides, or oxides of metal such as copper, zinc, zirc
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