Figure 2.

Effect of concentration of AAm and AN: amount of $H_{2}O=20$ mL, $\left[AA\right]=109.39\times {10}^{-2}$ moles/L, $\left[KPS\right]=7.5\times {10}^{-2}$ moles/L, reaction time = 1 h, reaction temperature = 70 °C.