fig4
![Synthesis and characterization of hydroxamic acid N,3-dihydroxy-2-naphthamide and its copper (II) complex per keto/enol forms and rare earth flotation](https://image.oaes.cc/ad24c155-79c1-4af5-a7d6-738840713ebe/mmm2025.fig.4.jpg)
Figure 4. A comparison of SHA-Cu2+ complex (top) with SHA (bottom). SHA: Salicylhydroxamic acid.
Figure 4. A comparison of SHA-Cu2+ complex (top) with SHA (bottom). SHA: Salicylhydroxamic acid.
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