Spectrophotometric analysis was carried out with Cary 100 Bio
double beam UV spectrophotometer (Agilent Technologies)
equipped with a 1 cm path length quartz cell. A model of CP-104
ultrasonic bath (CEIA, Italy) and a model of pHS-3C pH meter
(Jiangsu Zhengji Instruments Company, China) were applied for
this study. Calculations and the signal transforms have performed
in Microsoft Excel 2010 program and the Wavelet Toolbox of