DIN EN ISO 21079-1:2008
含有氧化铝、氧化锆和硅石的耐火材料的化学分析.含有5%~45%ZrO2的耐火材料(可选择X射线荧光法).第1部分:仪器、试剂和分解
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 (ISO 21079-1:2008); German versio