Table 1: The corrosion rate, percentage of inhibition efficiency, and surface coverage for CS specimens immersed in 1 M HCl at 30°C for 24 h in the presence and absence of A9Y5GPA.

(mM)Corrosion
rate (mmy−1)
Inhibition
efficiency ( %)

06.503
0.23.44047.090.47
0.42.90655.310.55
0.62.38263.370.63
0.81.96969.720.70
1.01.72373.500.74