Ключевые слова:
Special ceramics, Ceramics, Cermets, Particulate materials, Ceramic and glass technology, Testing conditions, Aluminium oxide, Impurities, Chemical analysis and testing, Determination of content, Sodium, Potassium, Iron, Silicon, Calcium, Magnesium, Oxides, Monoxides, Atomic absorption spectrophotometry, Emission spectrophotometry, Calibration, Reproducibility, Test specimens, Control samples