| http://www.w3.org/ns/prov#value | - (A???B)n 2n+???2nX??? wherein X is an anion, such as Cl???, Br???, I???, HSO4 ???, HSO3 ???, SO4 2???, SO3 2???, CH2SO3 ???, CH3SO3 ???, CH3C6H4SO3 ???, NO3 ???, HCOO???, CH3COO???, HCO3 ???, CO3 2???, H2PO4 ???, HPO4 2???, PO4 3???, SCN???, BF4 ???, ClO4 ???, SSO3 ???, or the like, n is an integer representing the number of repeating monomer units, and typically is from about 2 to about 1,000, pr
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