Adsorption of Atenolol on Kaolinite

Table 2

FTIR bands for AT and AT adsorbed on KGa-2.

0.0 mmol/L	0.6 mmol/L	1.2 mmol/L	1.8 mmol/L	2.4 mmol/L	3.0 mmol/L	3.6 mmol/L	4.0 mmol/L	Pure AT	Band assignments
								3700
—	3410	3410	3410	3410	3410	3410	3410	3360	NH banding vibration^1
—	—	—	—	—	—	—	—	3158	NH valence vibrations^2
	2972	2972	2972	2972	2972	2972	2972	2972	C–H stretching^1
2923	2923	2923	2923	2923	2923	2923	2923	2923
2902	2902	2902	2902	2902	2902	2902	2902	2901
2359	2359	2359	2359	2359	2359	2359	2359	2359
1654	1654	1654	1654	1654	1654	1654	1654	1633	C=O^1,2
								1515	benzene ring skeletal vibration^1 or C=C valence vibrations of the aromatic
1395, 1408	1395, 1408	1395, 1408	1395, 1408	1395, 1408	1395, 1408	1395, 1408	1395, 1408	1410	NH bending vibrations^2
1385	1385	1385	1385	1385	1385	1385	1385	1381
—	—	—	—	—	—	—	—	1338
—	—	—	—	—	—	—	—	1301
1252, 1230	1252, 1230	1252, 1230	1252, 1230	1252, 1230	1252, 1230	1252, 1230	1252, 1230	1237	Alkyl aryl ether linkage^1
—	—	—	—	—	—	—	—	1178
								1088
								1054
								917
								911
								795
								669

Seema and Datta [4].
Nikolić et al. [29].