Bioinsecticide Production from Cigarette Wastes

Figure 6

Interactive effects: 3D response surface plots of (a) time, temperature; (b) temperature, NaOH concentration; (c) time, NaOH concentration on yield of extract; (d) time, temperature; (e) temperature, NaOH concentration; (f) time, NaOH Concentration on nicotine content.

(a)

(b)

(c)

(d)

(e)

(f)