910761.fig.001
Figure 1: The absorption spectra A(λ): 1–4: Zn + H2O; 1: 𝜏 a g = 5 min, 𝜏 𝑒 = 35 min; 2: 𝜏 a g = 3.5 h, 𝜏 𝑒 = 35 min; 3: 𝜏 a g = 15 min, 𝜏 𝑒 = 3 h 10 min; 4: 𝜏 a g = 1 h 40 min, 𝜏 𝑒 = 3 h 10 min; 5–7: Zn + 0.001 SDS; 5: 𝜏 a g = 7 min, 𝜏 𝑒 = 30 min; 6: 𝜏 a g = 3.5 h, 𝜏 𝑒 = 30 min; 7: 𝜏 a g = 30 min, 𝜏 𝑒 = 3 h.