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. Author manuscript; available in PMC: 2021 Jun 1.
Published in final edited form as: Chemosphere. 2020 Feb 10;249:126173. doi: 10.1016/j.chemosphere.2020.126173

Table 3.

Elemental ratios of Cl and S to Ag from EDX spectra obtained from SEM analysis.

AgNP Matrix Day Cl:Ag S:Ag
20 nm H2O 0 0.000 0.048
20 nm CPSC 1 0.017 0.003
50 nm H2O 0 0.002 0.001
50nm ISOa 1 0.050 0.000
75nm H2O 0 0.012 0.021
75nm AATCC 1 0.000 0.000
100nm H2O 0 0.005 0.000
100nm ISOb 1 0.004 0.000