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. 2021 Aug 20;11(8):2120. doi: 10.3390/nano11082120

Figure 3.

Figure 3

Investigation of the leaching and ionic properties of AVNP2, CuNPs, and CuONPs. (a) Ag and Cu present in AVNPs supernatants were fully quantified against standardized calibration curves with a weighted regression by ICP-OES. (b) The pH level of AVNP suspensions were measured at different concentrations (10, 50, and 100 ppm).