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. 2022 Nov 30;15(23):8543. doi: 10.3390/ma15238543

Table 2.

Conditions of the electrochemical etching (ASTM A262, A practice).

Component Content (wt %) Temperature (°C) Time (s) Current Density
(A.cm−2)
oxalic acid
demineralized water
10
90
20 ± 3 90 1.0