Research Article

Synthesis of Mesoporous Silica Imprinted Salbutamol with Two TEOS/MTES Ratio Compositions through the Direct Incorporation Method for Salbutamol Separation

Table 3

Results of adsorption capacity evaluation using Freundlich isotherm and Langmuir isotherms.

SorbentFreundlich isothermLangmuir isotherm
a (mg/g)MR 2qm (mg/g)KeR 2

MIPMS-10.63181.15600.9147−4.2790−0.12580.3073
NIPMS-11.09400.64860.8352−14.7710−0.05860.1361
MIPMS-20.09340.53450.9970.58730.12030.9396
NIPMS-20.04071.13160.9953−2.6015−0.01770.6295

Note: a = adsorption capacity (mg/g); m = homogeneity index; qm = adsorption capacity (mg/g); Ke = Langmuir’s constant; R2 = correlation coefficient.