81.060.10;81.080 标准查询与下载

DS/EN ISO 20565-1:2009 含铬耐火制品和含铬原材料的化学分析（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的测定

This part of EN 955, describes methods for chemical analysis of chrome ores, chrome refractories and magnesia-chrome refractories, using wet methods. The methods are not applicable to materials which contain phosphates.

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

DS/EN ISO 20565-2:2009 含铬耐火制品和含铬原材料的化学分析（替代 X 射线荧光法） 第2部分：湿化学分析

This part of EN 955, describes methods for chemical analysis of chrome ores, chrome refractories and magnesia-chrome refractories, using wet methods. The methods are not applicable to materials which contain phosphates.

Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 2: Wet chemical analysis

DS/EN ISO 20565-3:2009 含铬耐火制品和含铬原材料的化学分析（替代 X 射线荧光法）第3部分：火焰原子吸收光谱法（FAAS）和电感耦合等离子体原子发射光谱法（ICP-

This part of ISO 20565 specifies flame atomic absorption spectrometry (FAAS) and inductively coupledplasma atomic emission spectrometry (ICP-AES) methods for the chemical analysis of chrome-bearingrefractory products and chrome-bearing raw materials.

Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 3: Flame atomic absorption spectrometry (FAAS) and inductively coupled plasma atomic emission spectrometry (ICP-