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. 2015 Feb 11;10:59. doi: 10.1186/s11671-015-0768-8

Table 1.

Molar compositions, synthesis conditions, Si/Al ratio, and particle diameters of zeolite samples

Zeolite type Composition Synthesis conditions Si/Al ratio (crystal)a Particle size (μm)b
BEA-30 1,92Na2O:Al2O3:30SiO2:4,6(TEA)2O:444H2O 120°C, 7 days 9.7 ± 1.0 Approximately 0.4
BEA-40 1,92Na2O:Al2O3:40SiO2:4,6(TEA)2O:444H2O 120°C, 7 days 13.5 ± 1.4 Approximately 0.4
BEA-50 1,92Na2O:Al2O3:50SiO2:4,6(TEA)2O:444H2O 120°C, 7 days 17.7 ± 1.8 Approximately 0.4
LTA-4 1,94Na2O:Al2O3:0,84SiO2:194H2O:1TEA 100°C, 2 days 0.84* 4
LTA-9 1,94Na2O:Al2O3:0,84SiO2:194H2O:2TEA 100°C, 3 days 0.84* 9
LTA-22 1,94Na2O:Al2O3:0,84SiO2:194H2O:4TEA 100°C, 5 days 0.84* 22

aSi/Al ratios were measured from EDX; bParticle sizes were measured from SEM images. *Si/Al ratios in the gel.