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. 2020 Jan 17;6(1):e03205. doi: 10.1016/j.heliyon.2020.e03205

Table 3.

Adsorption parameters for inhibition of MS in 0.5M HCl in the presence of LCLE at different temperature and time.

4hr
8hr
12hr
303K 318K 333K 303K 318K 333K 303K 318K 333K
Freundlish isotherm
slope 0.0398 0.0984 0.0766 0.0321 0.100 0.072 0.038 0.0923 0.0819
intercept 0.0626 0.0849 0.1336 0.0592 0.083 0.128 0.055 0.0776 0.1202
kf 0.7352 0.1416 0.8658 0.7451 0.827 0.873 0.881 0.8364 0.7582
n 13.158 10.204 25.641 13.889 10.00 31.25 12.35 10.870 27.027
R2 0.992 0.994 0.924 0.981 0.955 0.968 0.989 0.9450 0.9780

Langmuir isotherm
slope 0.9234 0.9016 0.9602 0.928 0.900 0.968 0.918 0.9077 0.9622
intercept 0.1336 0.0849 0.0626 0.1278 0.083 0.059 0.120 0.0776 0.0550
K (l/g) 1.3602 1.2159 1.155 1.3421 1.209 1.146 1.319 1.1956 1.135
R2 0.999 0.999 0.999 0.999 0.999 1 0.999 0.999 1

Temkin isotherm
slope 0.0549 0.0783 0.034 0.0522 0.080 0.028 0.060 0.0755 0.0329
intercept 0.7352 0.8224 0.8658 0.745 0.827 0.873 0.758 0.8363 0.8809
B 0.0549 0.0783 0.034 0.0522 0.080 0.028 0.060 0.075 0.0329
KT (mol/J) 45888 33767 81432 48261 33008 99952 41848 35253 84154
AT 6.5E+05 3.6E+04 1.1E+11 1.6E+06 3.0E+04 4.8E+13 2.9E+05 7.0E+04 4.2E+11
R2 0.999 0.993 0.922 0.983 0.951 0.967 0.99 0.941 0.978