Clinoptilolite chemical composition %
Constituent Natural KLS-10-MA
SiO2 69.3 66.09
Al2О3 11.6 10.62
Fe2O3 1.7 0.76
TiO2 0.1 0.12
CaO 2.11 3.03
MgO 2.37 0.33
Na2O 0.98 4.49
K2O 1.59 3.11
I. L. 10.32 11.37
Molar Si/Аl 5.97 6.22
Table 1: Chemical composition (%) of clinoptilolite samples: natural (Golobradovo, South-East Rhodops Mountain, Bulgaria) and modified (KLS-10-MA).
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