Figures index

From

Computer Modelling of the Concentration of Heavy Metals in Artificial Borings

Timothy M. Akpomie, Eno O. Ekanem, Mohammed M. Adamu, Janet O. Akpomie

World Journal of Analytical Chemistry. 2016, 4(1), 6-10 doi:10.12691/wjac-4-1-2
  • Figure 1. Fe(mg/l) = -1.39464+11.9530*t - 1.50417*t2 (Time-series model), Fe (mg/l) = - 352 + 42.0 pH + 2.04 T (°C) (Multi-regression model), R2 = 65.4%
  • Figure 2. Zn (mg/l) = 0.191429+0.270595*t-1.04E-02*t**2, Zn(mg/l) = - 19.3 + 1.83 pH + 0.293 T(°C), (R2 = 85.1%)
  • Figure 3. Cd(mg/l) = 0.5725+3.92E-02*t+8.33E-04*t**2, Cd(mg/l) = - 4.46 + 0.453 pH + 0.0803 T(°C), R2 = 85.7%
  • Figure 4. Cu(mg/l) = 1.28339-5.41E-02*t+9.46E-03*t**2, Cu(mg/l) = - 8.24 + 0.765 pH + 0.166 T(°C), (R2 = 81.8%)
  • Figure 5. Pb(mg/l) =0.446786+3.17E-02*t-9.52E-04*t**2, Pb(mg/l) = - 1.80 + 0.195 pH + 0.0396 T(°C)