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Table 3 The PANI load rate of composites after several treatments

From: Synthesis of Polyaniline Coating on the Modified Fiber Ball and Application for Cr(VI) Removal

  Sample-1 Sample-2 Sample-3
m0 (g) 4.3030 3.5680 3.6771
m2 (g) 4.5332 3.7476 3.8694
η2 (%) 5.34 5.03 5.23
  1. m0 represents the mass of modified fiber ball; m2 and η2 represent the mass of used PANI/m-FB composites and the load rate of PANI after being treated with acid several times, respectively