Research Article

Synthesis of Poly(Ortho-Phenylenediamine) Fluffy Microspheres and Application for the Removal of Cr(VI)

Figure 6

Langmuir adsorption isotherm or Cr(VI) ions adsorption on the PoPD. Langmuir equation: 𝐶 𝑒 / 𝑞 𝑒 = 𝐶 𝑒 / 𝑄 0 + 1 / 𝑄 0 b .
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