Table 2.

Open circuit potential (OCP) (mean ±1 standard deviation) recorded for each of the Mg alloys at the start of immersion, and after 24 h, and 6 days, of immersion.

Time	MCZ	MCZS	MS
Initial (20 min)	−1.58 ± 0.03	−1.59 ± 0.02	−1.65 ± 0.03
24 h	−1.52 ± 0.00	−1.52 ± 0.00	−1.53 ± 0.03
6 Days	−1.50 ± 0.00	−1.50 ± 0.00	−1.51 ± 0.00