Sulfonated Magnetic Nanocomposite Based on Reactive PGMA-MAn Copolymer@Fe₃O₄ Nanoparticles: Effective Removal of Cu(II) Ions from Aqueous Solutions

Table 1

Distribution coefficient, , of Cu(II) ions adsorption by magnetic nanocomposite.

Metal ion	at different pH (×10^3 mL/g)
	2	3	4	5	6	7
Cu(II)	2.575	12.241	33.461	120	495	620

pH = 6, concentration of metal ions = 10 mg/L, adsorbent dose = 10 mg, and time = 15 min.