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2.3. The chemical composition of the zeolite-clinoptilolite of the Aydag deposit
ОглавлениеClinoptilolite-zeolite deposits on our planet do not have the same composition. An essential factor is the Si/Al ratio. This should be at least 1: 4.
Figure 5: (IR) spectrum (a) and diffractogram (b) of the natural zeolite of the Aydag deposit.
Studies of the natural zeolite of the Aydag deposit were carried out by a number of methods and instruments. So, gamma spectrometric analysis was carried out using a SARI-2 gamma spectrometer. In addition, studies were carried out on a DRON-1 X-ray diffractometer and using an IR (IR) spectrometer, fig.5.
Studies of the natural zeolite of the Aydag deposit were carried out by a number of methods and instruments. So, gamma spectrometric analysis was carried out using a SARI-2 gamma spectrometer. In addition, studies were carried out on a DRON-1 X-ray diffractometer and using an IR spectrometer. In figure 3. shown: IR spectrum (a) and diffraction pattern (b) of the natural zeolite of the Aydag deposit.
The oxide formula of clinoptilolite is : (Na2K2)∙O∙Al2O3∙10SiO2∙8H2O, and its crystal chemical formula is Ca4,5∙Al9Si24O72.
In the composition of the zeolite-clinoptilolite of the Aydag deposit, the Si / Al ratio is: 4.25 - 5.25
Table 3. The chemical and microelement composition of the natural zeolite of the Aydag deposit.
Chemical compound | Content in % | Name trace element | Content in% | |
SiO2 | 64,80 | Be | 0,0001 | |
Al2O3 | 10,80 | Mn | 0,02 | |
Fe2O3 | 1,30 | Pb | 0,002 | |
TiO2 | 0,23 | Mg | >1% | |
CaO | 2,92 | Sl | >1% | |
MgO | 3,83 | Ga | 0,001 | |
P2O5 | 0,08 | Fe | >1% | |
MnO | 10,02 | Sn | < 0,001% | |
K2O | 1,54 | Al | >1% | |
Na2O | 2,48 | Ti | 0,1 | |
SO3 | 0,02 | V | 0,003 | |
Cu | <0.01 | Cu | 0,002 | |
Zn | <0,01 | Zn | 0,01 | |
ППП (Loss on ignition) | 11,69 | Zr | 0,001 | |
H2O | 5,32 | Sr | 0,03 | |
Ba | 0,06 | |||
Ca | >1% |