For the experiment, there will be 3 main methods.
The first method, simulative refining test will have Decoloring test is the elimination of color in oil and Degumming test is a removal of fat in the oil.
The second method, Evaluation of decoloring capability is as the analysis of color values by Spectrophoto metric.
The last method, Characterization as an analysis tool ex, Fourier Transform Infrared Spectroscopy (FTIR), X-rey Diffractomator (XRD) and tranmission electron Microscope (TEM) analysis.