t (min) 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 C (mg/L) 1.11628 1.0284 0.94743 0.87284 0.80413 0.74082 0.6825 0.62876 0.57926 0.53366 0.49164 0.45294 0.41728 0.38443 0.35416 0.32628 0.30059 0.27693 0.25513 0.23504 0.21654 ln C 0.11000173 0.0280042 -0.05400222 -0.13600302 -0.21799433 -0.2999976 -0.38199275 -0.46400565 -0.54600385 -0.62799635 -0.71000854 -0.79199561 -0.87399782 -0.95599356 -1.03800649 -1.11999937 -1.20200807 -1.28399051 -1.36598206 -1.44799957 -1.52997999 1/C r 0.89583259 0.97238429 1.05548695 1.14568535 1.24358002 1.34985557 1.46520147 1.59043196 1.7263405 1.87385227 2.03400862 2.20779794 2.39647239 2.6012538 2.82358256 3.06485227 3.32679065 3.61102084 3.91957042 4.25459496 4.61808442 0.00439 0.00422 0.00389 0.00358 0.0033 0.00304 0.0028 0.00259 0.00238 0.00219 0.00202 0.00186 0.00171 0.00158 0.00145 0.00134 0.00123 0.00114 0.00105 9.65E-04 9.25E-04 log C 0.04777314 0.01216207 -0.02345287 -0.05906536 -0.09467374 -0.1302873 -0.16589734 -0.20151509 -0.23712646 -0.27273535 -0.30835279 -0.34395932 -0.37957243 -0.41518273 -0.45080049 -0.48640955 -0.52202547 -0.55762999 -0.59323847 -0.62885822 -0.66446187 log r -2.35753548 -2.37468755 -2.4100504 -2.44611697 -2.48148606 -2.51712642 -2.55284197 -2.58670024 -2.62342304 -2.65955589 -2.69464863 -2.73048706 -2.76700389 -2.80134291 -2.838632 -2.8728952 -2.91009489 -2.94309515 -2.9788107 -3.01558521 -3.03385827 -2.39 0.0040738 C (mg/L) 1.2 1 0.8 [Vit C] (mg/L) 0.6 0.4 0.2 t (min) 0 0 50 100 150 200 250 300 350 400 450 ln C 0.2 0 0 50 100 150 200 250 300 350 400 450 -0.2 -0.4 -0.6 y = -0.004x + 0.11 R² = 1 ln C -0.8 Lineal (ln C) k=4x -1 -1.2 -1.4 -1.6 -1.8 10-3 min -1 Lineal (ln C) 1/C 5 4.5 4 3.5 3 2.5 1/C 2 1.5 1 0.5 0 0 50 100 150 200 250 300 350 400 450 log r -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0 0.1 -2.3 -2.5 -2.7 log r Lineal (log r) -2.9 y = 0.986x - 2.390 R² = 0.999 -3.1 n = 0.986 ∼ 1.0 -3.3 k =4.07 x 10-3 min-1 -3.5 Lineal (log r) t (min) 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 C (mg/L) 1.11628 1.0284 0.94743 0.87284 0.80413 0.74082 0.6825 0.62876 0.57926 0.53366 0.49164 0.45294 0.41728 0.38443 0.35416 0.32628 0.30059 0.27693 0.25513 0.23504 0.21654