Research Article

The Application of Response Surface Methodology for Lead Ion Removal from Aqueous Solution Using Intercalated Tartrate-Mg-Al Layered Double Hydroxides

Figure 1

XRD patterns of (a) original Mg-Al-NO3, (b) Mg-Al-NO3-Pb, (c) tartrate Mg-Al and (d) tartrate-Mg-Al-Pb.
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