Studies on Ion-Exchange Properties of Polyaniline Zr(IV) Tungstoiodophosphate Nanocomposite Ion Exchanger

Table 3

FT-IR spectral data of the polymer samples.

Characterisation	PANI-Cl^− (cm^−1)	PANI ZTIP (cm^−1)	H^+ form of PANI ZTIP (cm^−1)
C=N and C=C stretching modes for the quinoid and benzenoid rings	1565, 1495	1595, 1493	1560, 1472
C–N stretching mode for benzenoid ring	1300, 1231	1309, 1216	1383, 1240
In-plane C–H bending mode	1121	1152	1117
Out of plane C–H bending mode	801	811	798
Due to PO4^3−, HPO4^2−, and H2PO4^2−		1010	1000
M–O bond and presence of iodate		523, 450	590, 506