Toxicity and Metal Corrosion of Glutaraldehyde-Didecyldimethylammonium Bromide as a Disinfectant Agent

Table 5

Corrosion degree of sheet metal after GD treatment.

Sheet metal	water	0.005% GA +; 0.001% DDAB	0.05% GA +; 0.01% DDAB
	R (×10^−3 mm a^−1)	R (×10^−3 mm a^−1)	R (×10^−3 mm a^−1)
Stainless steel	5.3 ± 0. 08	0. 91 ± 0. 07	1.40 ± 0. 35
Aluminum	0. 57 ± 0. 60	0. 23 ± 0. 47	2.03 ± 1.48
Copper	3.69 ± 0. 13	7.25 ± 1.53	2.33 ± 1.41

Note: the means ± SD for at least three replicates are illustrated. P < 0.01.