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Comparison of results of (a) MALDI-TOF MS, (b) 1H NMR, (c) SEC/RI-UV, and (d) liquid adsorption chromatography coupled to evaporative light scattering detector of purified RP recovered from PPO-based PUF by a two-step aminolysis procedure with TREN (blue) and the corresponding VP5611 (black). The solid and dashed curves in (c) represent the RI and UV detector responses, respectively.
