Bee Wax Propolis Extract as Eco-Friendly Corrosion Inhibitors for 304SS in Sulfuric Acid

Table 1

Inhibition efficiency calculation of polarization measurements.

Concentration of inhibitor (ppm)	(V/dec)	(V/dec)	(V)	(A/cm^2)	IE (%)
0	0.059	−7.958	−0.286	2.19 × 10^−5	—
1000	0.224	−0.794	−0.033	2.67 × 10^−6	87.79
2000	0.103	0.172	−0.001	5.93 × 10^−7	97.29
3000	0.062	0.359	−0.278	7.97 × 10^−6	63.60
4000	0.082	−0.707	−0.280	8.32 × 10^−6	61.99
5000	0.053	0.033	−0.301	9.77 × 10^−6	55.38
6000	0.079	−0.177	−0.279	1.72 × 10^−5	21.64