Inhibition of Corrosion of Aluminium in Potassium Hydroxide Solution by Pyridine Derivatives

Table 3

Inhibition efficiency of 3-methylpyridine.

Sr. number	Time (min)	Inhibition efficiency (%) of 3-methylpyridine
		1.0 × 10^−4 mol L^−1	2.0 × 10^−4 mol L^−1	3.0 × 10^−4 mol L^−1	4.0 × 10^−4 mol L^−1	5.0 × 10^−4 mol L^−1
1	10	30.27	45.51	60.25	69.63	83.59
2	20	21.51	39.30	52.39	62.76	72.19
3	30	16.43	38.58	47.88	58.49	64.31
4	40	13.07	38.76	48.68	56.86	64.05
5	50	13.26	27.47	33.88	40.21	48.34
6	60	13.80	28.35	38.99	46.31	53.35