[Retracted] Simple Preparation of the CuO•Fe3O4/Silica Composite from Rice Husk for Enhancing Fenton-Like Catalytic Degradation of Tartrazine in a Wide pH Range

<div>(a, b) TEM images of SiO2 and (c, d) TEM images of CuO•Fe3O4/SiO2 composite.</div>

Adsorption Science & Technology

fig4

Figure 4

Figure 4: [Retracted] Simple Preparation of the CuO•Fe3O4/Silica Composite from Rice Husk for Enhancing Fenton-Like Catalytic Degradation of Tartrazine in a Wide pH Range

Figure 4 | [Retracted] Simple Preparation of the CuO•Fe3O4/Silica Composite from Rice Husk for Enhancing Fenton-Like Catalytic Degradation of Tartrazine in a Wide pH Range 