Use of Silica Tubes as Nanocontainers for Corrosion Inhibitor Storage

Table 2

Weight gain of the inhibitor contained nanoporous silica particle.

Sample	Solution	Solids weight	Weight gain
1	Fe(NO3)3 + H2O	0.1632 g	0.0222 g
2	Fe(NO3)3 + H2O + acetone	0.2404 g	0.0994 g
3	Fe(NO3)3 + acetone	0.3180 g	0.1770 g
Sample	Solution	Solids weight	Weight gain
1	Fe(NO3)3 + H2O	0.1674 g	0.0264 g
2	Fe(NO3)3 + H2O + acetone	0.2439 g	0.1029 g
3	Fe(NO3)3 + acetone	0.3208 g	0.1798 g
Sample	Solution	Solids weight	Weight gain
1	Fe(NO3)3 + H2O	0.1702 g	0.0292 g
2	Fe(NO3)3 + H2O + acetone	0.2695 g	0.1285 g
3	Fe(NO3)3 + acetone	0.3690 g	0.2280 g