ZEITSCHRIFT FUR NATURFORSCHUNG SECTION A-A JOURNAL OF PHYSICAL SCIENCES, cilt.57, sa.5, ss.283-284, 2002 (SCI İndekslerine Giren Dergi)
An infrared study was made on the CaA zeolite reacted with CO2 gas. It was found that a carbonate ion (CO32-) is formed by binding Of CO2 to an oxygen, and this carbonate ion coordinates to a Ca2+ cation in the zeolite in the unidentate way.