Chemical analysis of ferrous materials - determination of phosphorus in non - alloyed steels and irons - molybdenum blue spectrophotometric method 黑色金属材料化学分析.非合金钢铁中磷的测定.钼蓝光度法测定酸溶硅量
Chemical analysis of ferrous materials - determination of titanium in steel and iron - flame atomic absorption spectrometric method ; german version en 10211 : 1995 钢铁材料化学分析.钢和铁中钛含量测定.火焰原子吸收
Chemical analyse method for electrical contact materials . determination of carbon content in the silver - graphite determine carbon content by the gas volumetry method 电触头材料化学分析方法.银石墨中碳含量的测定
