Research Article
Thermodynamic Modeling of Surface Tension of Aqueous Electrolyte Solution by Competitive Adsorption Model
Table 1
The optimized values for adjustable parameters (
,
) of competitive adsorption model. Experimental data are from [
10].
| | System | (°C) | | | | AAD% |
| | AgNO3 | 20 | 4 | 6.99 × 10−2 | 6.16 × 1014 | 0.23 | | Al2(SO4)3 | 30 | 12 | 8.95 × 10−1 | 3.93 × 1022 | 0.46 | | BaCl2 | 30 | 5 | 0 | 4.53 × 104 | 0.61 | | CaCl2 | 30 | 11 | 6.60 × 10−1 | 4.27 × 104 | 0.81 | | CdCl2 | 20 | 5 | 7.34 × 10−1 | 2.19 × 101 | 0.08 | | CdSO4 | 20 | 2 | 7.47 × 10−1 | 3.62 × 10−2 | 9.15 × 10−7 | | CoCl2 | 20 | 2 | 6.20 × 10−1 | 7.51 × 10−5 | 1.05 × 10−4 | | CsCl | 25 | 15 | 1.30 × 10−1 | 1.65 × 1016 | 0.43 | | CsI | 25 | 11 | 1.91 × 10−6 | 1.91 × 10−6 | 0.45 | | CuSO4 | 30 | 3 | 7.83 × 10−1 | 5.64 × 1014 | 0.22 | | HBr | 18 | 2 | 1.09 × 100 | 1.86 × 1016 | 0.07 | | HCl | 20 | 7 | 1.05 × 100 | 1.53 × 101 | 0.94 | | HClO4 | 25 | 10 | 1.06 × 100 | 2.86 × 1014 | 2.13 | | HNO3 | 20 | 7 | 1.42 × 100 | 6.03 × 1014 | 2.38 | | KBr | 20 | 5 | 2.36 × 10−1 | 6.02 × 1014 | 0.21 | | KC2H3O2 | 30 | 3 | 1.14 × 100 | 9.27 × 10−2 | 0.40 | | KCNS | 25 | 12 | 9.36 × 10−1 | 4.71 × 100 | 0.34 | | KCl | 20 | 10 | 1.07 × 10−1 | 1.96 × 1016 | 0.33 | | K2CrO4 | 30 | 15 | 2.49 × 10−1 | 1.14 × 1018 | 0.35 | | K3Fe(CN)6 | 25 | 16 | 1.91 × 10−6 | 1.91 × 10−6 | 0.67 | | KI | 25 | 12 | 1.91 × 10−6 | 1.91 × 10−6 | 3.17 | | KNO3 | 25 | 6 | 1.66 × 10−1 | 2.73 × 1015 | 0.38 | | KOH | 20 | 4 | 3.07 × 10−1 | 8.46 × 1015 | 0.35 | | K2SO4 | 25 | 12 | 1.91 × 10−6 | 1.91 × 10−6 | 0.72 | | LiBr | 30 | 4 | 6.40 × 10−1 | 9.99 × 10−2 | 0.34 | | LiCl | 25 | 7 | 4.70 × 10−1 | 1.31 × 101 | 0.61 | | LiI | 18 | 2 | 6.54 × 10−1 | 1.31 × 100 | 2.99 × 10−6 | | LiOH | 20 | 4 | 1.28 × 10−1 | 5.96 × 1014 | 0.40 | | Li2SO4 | 18 | 2 | 4.36 × 10−1 | 3.57 × 10−2 | 0.15 | | MgCl2 | 20 | 12 | 7.28 × 10−1 | 2.50 × 10−1 | 1.13 | | MgSO4 | 10 | 12 | 8.31 × 10−1 | 5.43 × 10−3 | 0.75 | | MnCl2 | 18 | 6 | 6.44 × 10−1 | 7.20 × 10−3 | 0.23 | | NH4Cl | 25 | 6 | 2.90 × 10−1 | 5.68 × 1014 | 0.10 | | NH4NO3 | 20 | 9 | 5.20 × 10−1 | 6.42 × 10−2 | 0.32 | | (NH4)2SO4 | 30 | 4 | 5.77 × 10−1 | 6.08 × 100 | 0.48 | | NaBr | 20 | 4 | 4.85 × 10−1 | 1.77 × 10−2 | 0.21 | | NaCHO2 | 30 | 12 | 3.71 × 10−1 | 1.86 × 1016 | 0.29 | | NaC2H3O2 | 30 | 12 | 1.12 × 100 | 2.04 × 1016 | 1.04 | | NaC3H5O2 | 30 | 12 | 1.91 × 100 | 1.27 × 1018 | 0.26 | | NaC4H7O2 | 30 | 12 | 3.28 × 100 | 1.94 × 1016 | 0.77 | | NaCl | 20 | 9 | 2.22 × 10−1 | 2.05 × 1016 | 0.66 | | NaClO3 | 15 | 2 | 1.38 × 100 | 4.31 × 10−1 | 0.03 | | NaClO4 | 25 | 3 | 8.61 × 10−1 | 2.16 × 1016 | 0.17 | | Na2CrO4 | 30 | 4 | 4.23 × 10−1 | 1.59 × 10−2 | 0.27 | | NaI | 25 | 8 | 6.15 × 10−1 | 9.07 × 1014 | 0.16 | | NaNO3 | 20 | 4 | 2.59 × 10−1 | 1.16 × 1015 | 0.21 | | NaOH | 18 | 6 | 3.47 × 10−1 | 2.46 × 10−3 | 0.46 | | Na2SO4 | 30 | 3 | 1.50 × 10−1 | 5.63 × 1017 | 0.22 | | Na2S2O3 | 40 | 4 | 4.48 × 10−1 | 9.00 × 10−3 | 0.21 | | NiSO4 | 15 | 2 | 7.14 × 10−1 | 8.60 × 10−2 | 1.75 × 10−7 | | Pb(NO3)2 | 20 | 3 | 1.91 × 10−6 | 1.91 × 10−6 | 3.77 | | RbCl | 25 | 11 | 1.94 × 10−1 | 9.65 × 1015 | 0.36 | | SrCl2 | 20 | 9 | 5.95 × 10−1 | 4.41 × 10−3 | 0.49 | | Sr(NO3)2 | 18 | 8 | 3.39 × 10−1 | 8.14 × 1014 | 0.50 | | UO2SO4 | 30 | 12 | 8.70 × 10−1 | 1.23 × 101 | 0.32 | | Zn(NO3)2 | 40 | 5 | 7.67 × 10−1 | 1.27 × 10−1 | 0.37 | | Overall | | 404 | | | 0.55 |
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