Optimization of Preparation of Activated Carbon from <i>Ricinus communis</i> Leaves by Microwave-Assisted Zinc Chloride Chemical Activation: Competitive Adsorption of Ni<sup>2+</sup> Ions from Aqueous Solution

<table>Zero point charges of ZLRC.</table>

Journal of Chemistry

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Figure 2

Figure 2: Optimization of Preparation of Activated Carbon from <i>Ricinus communis</i> Leaves by Microwave-Assisted Zinc Chloride Chemical Activation: Competitive Adsorption of Ni<sup>2+</sup> Ions from Aqueous Solution 

Figure 2 | Optimization of Preparation of Activated Carbon from Ricinus communis Leaves by Microwave-Assisted Zinc Chloride Chemical Activation: Competitive Adsorption of Ni2+ Ions from Aqueous Solution 