prov:value
| - Thus, the zeolite particles are particles of a crystalline aluminosilicate corresponding to the formula xM2/n O.Al2 O3 ySiO2 zH2 O in which M is a cation, generally an ammonium or metal cation, most commonly a mono- or divalent metal cation (e.g., a sodium, potassium, or other alkali metal cation, or another cation such as silver, copper, zinc, calcium or magnesium); n is the valence of the cation
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