Table 3 Gravimetric parameters of copper at 298 K in 1.0 M HCl solution with and without AFM extract.

From: Thermodynamic, chemical, and electrochemical studies of Aloe ferox Mill extract as a naturally developing copper corrosion inhibitor in HCl solution

AFM extract (mg L–1)

CR

ηW%

(μg cm–2 h–1)

Blank

54.9 ± 2.4

–

50

41.0 ± 2.3

25.3

100

25.5 ± 1.8

53.5

150

15.0 ± 1.1

72.6

200

10.5 ± 0.5

80.8

250

4.9 ± 0.4

91.0

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