Determination of boron (III) oxide in refractory products. Acid extraction method for the determination of boron (III) oxide in binder components Refractories, Refractory materials, Ceramics, Chemical analysis & testing, Determination of content, Boric oxide, Binding agents, Aluminium oxide, Special ceramics, Silica refractories, Extraction methods of analysis, Volumetric analysis, Atomic emission spectrophotometry