Figure 6: (1) Absorption spectra of PPT without tween 80, (2) Pd(II)-PPT complex without tween 80, (3-6) Absorption spectra of Pd(II)-PPT complex in various percent concentrations of Tween 80 solution. (3)1%, (4) 2%, (5) 3% and (6) 4 % Tween 80.