KS L ISO 20565-1:2012 含鉻耐火材料產(chǎn)品和含鉻原材料的化學(xué)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(cè)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