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. 2019 Nov 6;9:16081. doi: 10.1038/s41598-019-52635-2

Figure 13.

Figure 13

SEM images and EDS spectra of brass surfaces (A) after 24 h immersion in 3% NaCl solution with the addition of 5·10−3 M SA; (B) after 24 h immersion in 3% NaCl solution with the addition of 1·10−2 M 4(5)-MI.