Home / Standards / GB/T 223.16-91 GB/T 223.16-91 Steel and alloy—Determination of titanium content by chromotropic acid photometric method 钢铁及合金化学分析方法 变色酸光度法测定钛量 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