Table 4.

Analyses of the chemical compositions of the samples with their main zeolite components given in the header.

Component	NaA	NaX	NaP1	Sodalite
	(% wt)
SiO2	41.20	34.50	43.71	39.90
Al2O3	29.00	19.75	21.69	33.80
CaO	6.78	11.69	16.61	4.62
MgO	0.55	0.47	1.32	0.75
Fe2O3	8.67	6.62	5.87	9.95
TiO2	0.64	1.63	1.03	0.89
Na2O	6.73	6.23	7.56	4.84
K2O	1.92	0.54	1.15	0.28
LOI	16.89	15.61	14.37	5.14