DIN EN ISO 21079-2:2008-08 含有氧化铝、氧化锆和二氧化硅的耐火材料的化学分析 含有 5% 至 45% ZrO< 的耐火材料
Chemical analysis of refractories containing alumina, zirconia and silica - Refractories containing 5 % to 45 % of ZrO<(Index)2> (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis (ISO 21079-2:2008); German version EN ...