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Solubility data of benzotriazole (BTA) in 14 solvents were measured by a static gravimetric method from 268.15 to 303.15 K. The results illustrated that the solubility of BTA in N,N-dimethylacetamide is the highest whereas that in 1,2-dichloroethane is the lowest in all the tested solvents. And the values of solubility increase with increasing of temperature. Additionally, the modified Apelblat equation, the λh equation, the NRTL model, and the Wilson model were employed to correlate the experimental solubility data. It was found that all the selected thermodynamic models could give satisfactory correlation results. Furthermore, the thermodynamic properties of BTA during the dissolving process, including the enthalpy, the Gibbs energy, and the entropy, were also calculated and analyzed.

N- and Fe-doped carbon nanotube/CMK3 nanocomposite was firstly prepared by a simple procedure. The typical product shows excellent catalytic ability for oxygen reduction reaction in the acidic media.