Fig. 2
From: Efficient removal of estradiol using MnFe2O4 microsphere and potassium persulfate complex salt
(a) XRD pattern of the MnFe2O4 microspheres and the hysteresis loops of the MnFe2O4 microspheres at room temperature and a magnetic separation image (inset) of the MnFe2O4 microspheres (b).
