Steel-Corrosion Characteristics of an Environmental Inhibitor using Limestone Sludge and Acetic Acid

International Journal of Concrete Structures and Materials

Table 3 Corrosion area rate (area %).

	1 Week		2 Weeks		3 Weeks
	Measurement	Average	Measurement	Average	Measurement	Average
NaCl	6.05	6.05	48.77	48.68	100	100.00
	6.03		49.21		100
	6.07		48.05		100
Calcium nitrate	3.96	3.88	95.27	95.29	98.5	97.37
	3.92		94.36		96.2
	3.76		96.24		97.4
Calcium acetate	0	0	0	0.00	1.05	1.02
	0		0		0.89
	0		0		1.13
NaCl 90% + Calcium acetate 10%	0	0	6.83	6.68	36.94	36.61
	0		6.45		35.74
	0		6.76		37.15
NaCl 70% + Calcium acetate 30%	0	0	0	0.71	6.78	6.79
	0		1.24		6.84
	0		0.89		6.76
NaCl 50% + Calcium acetate 50%	0	0	0.9	0.83	1.4	1.37
	0		0.78		1.3
	0		0.8		1.41
Calcium nitrate 90% + Calcium acetate 10%	0	0	10.3	10.35	35.4	35.37
	0		9.54		36.4
	0		11.21		34.3
Calcium nitrate 70% + Calcium acetate 30%	0	0	2.45	2.41	21.45	20.73
	0		2.41		20.51
	0		2.38		20.23
Calcium nitrate 50% + Calcium acetate 50%	0	0	1.37	1.33	6.57	6.55
	0		1.29		6.47
	0		1.32		6.62