Our model Cohn’s equation Niktari’s model Habib’s model Polynomial model   R2 F-test R2 F-test R2 F-test R2 F-test R2 F-test Pure Fab’ 0.973 1037.82 0.795 148.53 0.956 402.72 0.971 400.30 0.950 433.74 Fab’ in clarified homogenate 0.937 308.28 0.621 40.88 0.795 46.55 0.864 48.78 0.825 68.90 Impurities 0.914 195.48 0.721 64.50 0.859 73.03 0.877 54.48 0.858 88.00

Table 4: R2 and F-test values for all four existing models.