Figure 10.
Chemical structural formulas of chosen dispersants: (a) C.I. Reactive Blue 21; (b) 5,10,15,20-Tetrakis(4-aminophenyl)porphyrin; (c) 5,10,15,20-Tetrakis(4-carboxymethyloxyphenyl)porphyrin; (d) Cyanocobalamin.
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