Figure 3.
Ag3d core-level spectra of: (a) AgNPs/L-cys/citr + As (10 ppm), (b) AgNPs/L-cys/citr + Cd (10 ppm); S2p core-level spectra of: (c) AgNPs/L-cys/citr + As (10 ppm), (d) AgNPs/L-cys/citr + Cd (10 ppm).
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