| http://www.w3.org/ns/prov#value | - Also suitable are epichlorohydrin/amine copolymers, including those of the general formula wherein n is an integer of from about 3 to about 3,000, and preferably from about 5 to about 100, although the value can be outside of these ranges, and A is any suitable or desired anion, such as Cl???, Br???, I???, HSO4 ???, HSO3 ???, SO4 2???, SO3 2???, CH2SO3 ???, CH3SO3 ???, CH3C6H4SO3 ???, NO3 ???, HCO
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