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Potentiometric titration of PCPP with PEO at (A) various concentrations of PCPP − 0.05% (1) and 0.2% (2) (molecular weight of PEO − 300,000 g/mol), and (B) various molecular weights of PEO − 8,000 (1), 100,000 (2), 300,000 (3) (1% PEO, deionized water, 25 °C). (C) Degree of complexation (θ) as a function of the ratio of functional groups in PEO and PCPP for various molecular weights − 8,000 (1), 100,000 (2), 300,000 g/mol (3) of PEO (0.05% PCPP, deionized water, 25 °C).
