KS L ISO 21079-1-2012(2022) Chemical analysis of refractories containing alumina, zirconia and silica-Refractories containing 5 % to 45 % of ZrO2 (alternative to the X-ray fluorescence method)-Part 1:Apparatus, reagents and diss
2012KS L ISO 21079-1:2012 Chemical analysis of refractories containing alumina, zirconia and silica-Refractories containing 5 % to 45 % of ZrO2 (alternative to the X-ray fluorescence method)-Part 1:Apparatus, reagents and dissolution