Table 2.

Maximum absorption of different weight percentages of GO nanocomposites in different step times of exposure.

Sample	Maximum absorption
	45 min	75 min	90 min	120 min
GO	0.01864 g	0.01846 g	0.01831 g	0.0179 g
α-Fe2O3	0.01811 g	0.01695 g	0.01602 g	0.01544 g
α-Fe2O3-2% GO	0.01785 g	0.01664 g	0.01631 g	0.01515 g
α-Fe2O3-5% GO	0.01207 g	0.01055 g	0.00932 g	0.00733 g
α-Fe2O3-8% GO	0.01455 g	0.01317 g	0.01253 g	0.01069 g