Synthesis and Spectroscopic Characterization of Polyethylenepolyamine-Modified Polyacrylonitrile (PPA) Fiber for Future Metal-Ion Analysis

Polyacrylonitrile (PAN) fiber was sequentially modified through alkaline hydrolysis, amination/amidoximation with hydroxylamine hydrochloride and hydrazinium chloride, grafting with polyethylenepolyamine (PEPA), and acid activation to produce a chemically functionalized PPA fiber suitable as a solid support for reagent

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