Fig. 1From: Synthesis of Polyaniline Coating on the Modified Fiber Ball and Application for Cr(VI) Removala SEM image of PANI/m-FB; b SEM image of PANI/FB; c enlarged image of (a); d the digital image of fiber ball and PANI/m-FB composite, respectively; e FT-IR spectra of (1) FB; (2) m-FB; (3) PANI powder; (4) PANI/FB; (5) PANI/m-FB; f changes of remanent Cr(VI) concentration at different times (T = 303 K, C0 = 10 mg L−1, pH = 5.0)Back to article page