Fig. 6
From: Magnetic nickel nanoparticle catalyst on β-cyclodextrin-modified Fe3O4 for nitroarene hydrogenation

VSM image of Ni@β-CD@Fe3O4 NPs and recycle catalyst after five runs.
From: Magnetic nickel nanoparticle catalyst on β-cyclodextrin-modified Fe3O4 for nitroarene hydrogenation

VSM image of Ni@β-CD@Fe3O4 NPs and recycle catalyst after five runs.