Table 7.

Responses of experimental design for inhibition process of MS in the presence of Luffa cylindrica extract in 0.5M HCl.

Std	Run	Factor 1	Factor 2	Factor 3	Response 1	Response 2
		X1:inhi.Conc	X2:Temp	X3:time	Corrosion rate	Inhibition efficiency
		g/l	K	hr	g/m2 hr	%
4	1	0.50	318	4	8.3238	76.92
18	2	1.00	333	8	8.2768	87.38
13	3	0.50	318	8	7.4133	77.42
15	4	1.00	318	8	5.5493	83.09
2	5	0.75	303	4	3.4062	71.73
28	6	0.75	318	8	6.6351	79.64
3	7	1.00	303	4	3.1755	73.64
10	8	0.50	303	8	3.2869	70.77
21	9	1.00	303	12	2.7185	75.68
22	10	0.50	318	12	6.3908	78.74
11	11	0.75	303	8	3.0055	73.27
14	12	0.75	318	8	6.6351	79.64
7	13	0.50	333	4	11.3705	84.38
19	14	0.50	303	12	3.1807	71.55
27	15	1.00	333	12	7.5813	87.98
16	16	0.50	333	8	9.7736	85.42
30	17	0.75	318	8	6.6351	79.64
9	18	1.00	333	4	9.3289	86.81
1	19	0.50	303	4	3.6382	69.80
31	20	0.75	318	8	6.6351	79.64
32	21	0.75	318	8	6.6351	79.64
6	22	1.00	318	4	6.3514	82.39
29	23	0.75	318	8	6.6351	79.64
23	24	0.75	318	12	5.6288	80.72
17	25	0.75	333	8	9.0117	86.81
5	26	0.75	318	4	7.3101	79.73
25	27	0.50	333	12	9.3299	85.73
8	28	0.75	333	4	10.4628	85.21
24	29	1.00	318	12	4.7898	84.06
26	30	0.75	333	12	7.9840	87.34
12	31	1.00	303	8	2.8853	74.34
20	32	0.75	303	12	2.8708	74.32