Research Article
Trace Metal Detection in Aqueous Reservoirs Using Stilbene Intercalated Layered Rare-Earth Hydroxide Tablets
Figure 5
Concentrations of (a) Pb2+ and (b) Cu2+ ions sorbed by Dy2(OH)5(C28H20O6S2)0.5.nH2O tablets as determined from their digested samples by ICP. Note that using phosphorescence turnoff technique gives more accurate results (R2 = 0.96) than ICP measurements.
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| (b) |