Figure 13

EDX spectra of C-steel surface (a), after 6 h dipping in 1.0 M HCl solution without inhibitors (b), in presence of 30 \(\times\) 10–6 mol L−1 for MA-1440 (c) and MA-1456 (d).

EDX spectra of C-steel surface (a), after 6 h dipping in 1.0 M HCl solution without inhibitors (b), in presence of 30 \(\times\) 10–6 mol L−1 for MA-1440 (c) and MA-1456 (d).