Tartrazine Removal from Aqueous Solution by HDTMA-Br-Modified Colombian Bentonite

Table 3

Results of regression analysis (ANOVA).

Source	Sum of square	DF	Mean square	F value	value
Model	13962.18	5	2792.44	140.40	<0.0001
A	3644.00	1	3644.00	183.22	<0.0001
B	9333.73	1	9333.73	469.30	<0.0001
AB	323.76	1	323.76	16.28	<0.05
A^2	568.82	1	568.82	28.60	<0.0001
B^2	91.87	1	91.87	4.62	<0.05