Table 4.

Immersion and interaction enthalpies of paracetamol on activated carbons at different solution pH.

Paracetamol Concentration (mg L−1)	Sample	pH 2		pH 7		pH 11
		$\mathbf{*}\mathbf{ }\mathbf{\Delta }{\mathit{H}}_{\mathit{i}\mathit{m}\mathit{m}}$ (J g−1)	$\mathbf{\Delta }{\mathit{H}}_{\mathit{i}\mathit{n}\mathit{t}}$ (J g−1)	$\mathbf{*}\mathbf{ }\mathbf{\Delta }{\mathit{H}}_{\mathit{i}\mathit{m}\mathit{m}}$ (J g−1)	$\mathbf{\Delta }{\mathit{H}}_{\mathit{i}\mathit{n}\mathit{t}}$ (J g−1)	$\mathbf{*}\mathbf{ }\mathbf{\Delta }{\mathit{H}}_{\mathit{i}\mathit{m}\mathit{m}}$ (J g−1)	$\mathbf{\Delta }{\mathit{H}}_{\mathit{i}\mathit{n}\mathit{t}}$ (J g−1)
10	GACr	−21.8	36.4	−10.3	22.1	−15.8	15.6
	GAC	−16.6	34.8	−8.82	40.9	−14.2	43.1
	GACo	−37.4	5.44	−34.7	31.9	−32.7	64.8
50	GACr	−25.9	32.6	−8.29	24.1	−11.9	19.5
	GAC	−21.7	29.7	−11.6	38.1	−16.5	40.8
	GACo	−43.8	−1.03	−30.7	35.9	−31.8	65.7
100	GACr	−19.9	38.3	−8.89	23.5	−9.21	22.2
	GAC	−20.6	30.8	−8.61	41.1	−27.4	29.9
	GACo	−30.7	12.1	−29.1	37.5	−25.2	72.3
200	GACr	−41.8	16.4	−33.1	−0.73	−10..3	21.1
	GAC	−48.5	2.93	−9.71	39.9	−25.8	31.5
	GACo	-	-	−45.5	21.1	-	-
500	GACr	−47.2	11.0	−34.6	−2.23	−50.6	−19.1
	GAC	−61.1	−9.68	−31.7	18.0	−26.4	30.9
	GACo	-	-	−55.5	11.1	-	-
1000	GACr	−50.4	7.77	−36.0	−3.62	−43.1	−11.6
	GAC	−74.4	−22.9	−54.3	−4.62	−38.0	19.3
	GACo	-	-	−63.7	2.90	-	-

* Immersion enthalpies have standard deviations between 0.11 and 1.79 J g⁻¹.