Combining with the transmittance peaks appeared at 830– 850 cm1, 1310–1345 cm1 and 1625–1670 cm1, the existence of bidentate carbonate could be verified [49].
Combining with the transmittance peaks appeared at 830–850 cm1, 1310–1345 cm1 and 1625–1670 cm1, the existenceof bidentate carbonate could be verified [49].