Table 2. Adsorption Bands Characteristics of polyNaSS.
| wavelength (cm–1) | peak intensity | chemical groups & interactions |
|---|---|---|
| 1658–1598 | weak | ν(C=C) of aromatic ring |
| 1411 | medium | ν(SO2) |
| 1184–1130 | high | SO3– (salt) |
| 1040 | high | ν(O=S=O) |
| 1010 | high | aromatic ring |
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