Removal of Cr(VI) and Cu(II) Ions from Aqueous Solution by Carbon Prepared from Henna Leaves
Figure 3
(a) The effect of variation of adsorbent dosage on copper adsorption by henna leaves an initial concentration of 100 ppm, 90 min, and pH 7. (b) The effect of variation of adsorbent dosage on chromium adsorption by henna leaves an initial concentration of 100 ppm, 90 min, and pH 7.
