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. 2020 Feb 13;15:1005–1020. doi: 10.2147/IJN.S231679

Figure 9.

Figure 9

Slow-release of iron ions from the three types of zeolite/Fe2O3–NCs against mixing time. Three types of zeolite/Fe2O3–NCs were synthesized from three types of zeolites as: 1 – Synthetic zeolite (96096, Potassium, 3A° type) from Sigma-Aldrich, USA; 2 – Commercial zeolite (Clinoptilolite type) from Helitropfen, Germany (origin was a Narvik mine in Norway); and 3-Commercial zeolite (Desica AC130 type) from Hitech Silicate Co, IRAN.