Molecular formula :
nature : it refers to oxygen atoms assigned to C (- COOH) form the polymer chelator, carboxyl containing two oxygen atoms, which because of carbonyl oxygen with carbon absorption -- hydroxy, coordination is not obvious, since coordination role it is mainly hydroxyl ions of oxygen anions. See more of the carboxyl-polymer chelating agent is maleic acid polymers and poly styrene carboxyl two neighbors, the former right of manganese, cobalt, nickel, copper, zinc two divalent cations are complex higher capacity, the latter used in separation and concentration of Ag +, Co2 +, Fe3 +, Ni2 +, Cu2 + ion and precious metals.
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