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The series of samples containing 0–20mol% of NaCaPO4 and 20–0mol% of AlPO4, respectively, with the constant amount of SiO2 (80mol%) have been selected. The materials were prepared using both sol–gel as well as aerosil pseudo-aqua solution method. The AlPO4·SiO2 and NaCaPO4·SiO2 (80mol% of SiO2) samples have been prepared.IR and Raman spectra of these samples are presented. The spectra of materials...
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