Quantitative Fractal Evaluation of Herbicide Effects on the Water-Absorbing Capacity of Superabsorbent Polymers

Table 2

Water-absorbing mass (WAM) of SAP (0.3 g) in deionized water and atrazine solution at different swelling times.

Swelling time/min	Atrazine mass concentration/mg·L^−1
	0		2.0
	WAM/g	SD	WAM/g	SD
10	18.45	±0.46	15.16	±0.30
40	48.21	±2.46	37.00	±1.82
70	57.80	±1.41	48.83	±1.45
100	62.11	±1.99	55.63	±0.45
150	67.27	±1.43	60.79	±1.11

SD means the standard deviation.