Research Article

Removal of Cadmium (II), Chromium (III), and Lead (II) Heavy Metal Ions from Water by Graft Copolymerization of Acrylonitrile onto Date Palm Fiber Using H2O2/Fe++ as an Initiator

Figure 3

Effect of the amount of initiator H2O2 on the % of grafting. Reaction time: 60 min, AN: 8 ml, temperature: 75°C, Fe+2: 0.3 mmol, and (∆): % of grafting.