Adsorption of Rare Earths(Ⅲ) Using an Efficient Sodium Alginate Hydrogel Cross-Linked with Poly-γ-Glutamate
Fig 4
Digital photographs of SA gels (a, b, c, d) and SA-PGA gels (e, f, h, i).
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Digital photographs of SA gels (a, b, c, d) and SA-PGA gels (e, f, h, i).