Temperature (°C) τ0(Pa) Ascending curve Descending curve
n(-) K(Pa.sn) R2 n(-) K(Pa.sn) R2
30 7.79 ± 0.59 1.06 ± 0.10 0.036 ± 0.02 99.38 0.703 ± 0.07 0.322 ± 0.25 99.6
40 17.02 ± 0.69 1.18 ± 0.17 0.034 ± 0.01 98.87 0.719 ± 0.06 0.312 ± 0.21 99.73
50 32.94 ± 2.04 1.27 ± 0.36 0.032 ± 0.01 97.47 0.770 ± 0.22 0.293 ± 0.05 96.72
Table 2: Effect of temperature on rheological parameters of Cordia gum solutions based on Herschel-Bulkley model.