ISO 20565-1:2008
含鉻耐火材料產品和含鉻原材料的化學分析(可選擇X射線熒光法).第1部分:裝置、試劑、重量分析硅石的溶解和測定
Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica