Chemical analysis of chrome-bearing refractory products & chrome-bearing raw materials (alternative to the X-ray fluorescence method). Flame atomic absorption spectrometry (FAAS) & inductively coupled plasma atomic emission spectrometry (ICP-AES) Refractory materials, Refractories, Ceramics, Chromium ores, Chromium, Raw materials, Chemical analysis & testing, Determination of content, Oxides, Flame atomic absorption spectrometry, Emission spectrophotometry, Spectrophotometry