Home / Standards / GB/T 4700.7-1998 GB/T 4700.7-1998 Methods for chemical analysis of calcium-silicon alloy — Determination of sulfur content by infrared absorption method and combustion potassium iodate titration method 硅钙合金化学分析方法 红外线吸收法和燃烧碘酸钾滴定法 测定硫量 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A