UNE-EN ISO 21587-1:2008 铝硅酸盐耐火产品的化学分析(替代 X 射线荧光法) 第1部分:仪器、试剂、溶解和重量法二氧化硅(ISO 21587-1:2007)
Chemical analysis of aluminosilicate refractory products (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents, dissolution and gravimetric silica (ISO 21587-1:2007)