Synthesis of Iron Doped Zeolite Imidazolate Framework-8 and Its Remazol Deep Black RGB Dye Adsorption Ability

Table 3

Comparison of piecewise linear regression for one, two, and three linear segments by AIC.

Adsorbent	mg·L^−1	One linear segment’s regression			Two linear segments’ regression			Three linear segments’ regression
		SSE		AIC	SSE		AIC	SSE		AIC
ZIF-8	30	247.07	0.905	62.72	82.93	0.968	39.30	82.93	0.968	45.34
	40	736.84	0.858	91.13	189.35	0.964	60.77	189.35	0.964	66.78
	50	619.32	0.884	89.47	33.91	0.994	16.05	33.91	0.995	22.46
Fe-ZIF-8	30	835.06	0.650	94.38	54.13	0.977	28.51	54.14	0.977	34.23
	40	2070.79	0.973	117.99	317.80	0.967	72.76	317.80	0.967	80.24
	50	984.31	0.846	98.65	23.73	0.996	6.77	21.33	0.997	10.01