BS 07/30163486 DC BS EN ISO 21079-3. Chemical analysis of refractories containing alumina, zirconia, and silica. Refractories containing 5% to 45% of ZrO2 (alternative to the X-ray fluorescence method). Part 3. Flame atomic absorption spectrophotometry (FAAS) and inductively coupled plasma emission spectrometry (ICP-

standard by BSI Group, 03/22/2007