The FTIR spectrum is carried out as a qualitative analysis to determine the main functional groups that are involved in the adsorption process. The FTIR spectrum of the grapefruit peel is shown in Fig. 2.
The FTIR spectrum is carried out as a qualitative analysis to determine the main functional groups that are involved in theadsorption process. The FTIR spectrum of the grapefruit peel is shown in Fig. 2.