Fig. 1From: Silica Aerogel-supported Hydrozincite and Carbonate-intercalated Hydrotalcite for High-efficiency Removal of Pb(II) Ions by Precipitation Transformation ReactionsThe maximum adsorption capacities of SA-Zn-HZ, SA-Zn x Al-HT, and the control sample SA-Al-H with various Zn contents. From the left to the right, the Zn element contents decreased stepwiseBack to article page