Research Article

Remediation of Rhodamine B Dye from Aqueous Solution Using Casuarina equisetifolia Cone Powder as a Low-Cost Adsorbent

Figure 4

The effect of (a) pH and (b) ionic strength on the adsorption of 20 mL of 50 mg L−1 RB onto CEC using 0.04 g adsorbent at agitation speed of 250 rpm.
(a)
(b)