International Journal of Corrosion / 2013 / Article / Tab 2

Research Article

Marjoram Extract as Corrosion Inhibitor for Dissolution of Zinc in 1.0 M HCl

Table 2

Calculated values of reaction number and percentage reduction in RN for Zn dissolution in 1.0 M HCl containing marjoram extract from thermometric method.

Extract concentration
(ppm)
Reaction number (RN)
(°C min−1)
Reduction in RN (% IE)

Blank2.47
1001.7230.40
2001.4342.30
3001.2250.60
4000.8964.00
5000.6872.50

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