Table 2 UV–vis absorbance and wavelength of TiO2–CuO–clay soil composites.
Ratio of TiO2–CuO–clay soil | Absorbance | Transmittance | Wavelength (nm) |
---|---|---|---|
2:3:7 | 0.09 ± 0.012 | 64 ± 0.23 | 150 |
0.094 ± 0.30 | 63 ± 0.11 | 250 | |
0.095 ± 0.20 | 62.5 ± 0. 30 | 350 | |
0.097 ± 0.31 | 62.10 ± 0.25 | 450 | |
4:3:5 | 0.190 ± 0.40 | 89 ± 0.85 | 150 |
0.191 ± 0.31 | 90 ± 0.20 | 250 | |
0.194 ± 0.51 | 90 ± 0.56 | 350 | |
0.197 ± 0.31 | 82 ± 0.35 | 450 |