BS EN ISO 21079-2:2009 Chemical analysis of refractories containing alumina, zirconia, and silica. Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method). Wet chemical analysis
2009BS EN ISO 21079-2:2009 Chemical analysis of refractories containing alumina, zirconia, and silica. Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method). Wet chemical analysis
2009BS EN ISO 21079-2:2008 Chemical analysis of refractories containing alumina, zirconia, and silica — Refractories containing 5 percent to 45 percent of ZrO2 (alternative to the X-ray fluorescence method) Part 2: Wet chemical analysis (ISO 21079-2:2008)