Table 2.

Parameters D, G and H of Eq. 2 for rice straw (RS0) and humus-like substances (RS4, RS8, RS24, RS48, RS96, RS144).

Adsorbent	D	G	H	r 2	F	P
RS0	0.044 (±0.118)	0.217 (±0.160)	−3.11 (±0.43)	0.207	2.86	<0.1
RS4	0.181 (±0.046)	0.183 (±0.062)	−2.08 (±0.17)	0.800	43.9	<0.001
RS8	0.167 (±0.034)	0.196 (±0.047)	−1.97 (±0.12)	0.872	75.2	<0.001
RS24	0.158 (±0.030)	0.179 (±0.041)	−1.72 (±0.11)	0.887	86.1	<0.001
RS48	0.159 (±0.040)	0.188 (±0.054)	−1.66 (±0.14)	0.824	51.4	<0.001
RS96	0.174 (±0.028)	0.176 (±0.038)	−1.49 (±0.10)	0.905	105	<0.001
RS144	0.165 (±0.032)	0.194 (±0.043)	−1.55 (±0.12)	0.886	85.9	<0.001