Home / Standards / GB/T 223.72-91 GB/T 223.72-91 Steel and alloy—Determination of sulfur content—Barium sulfate gravimetric method after separation by alumina chromatographic column 钢铁及合金化学分析方法 氧化铝色层分离-硫酸 钡重量法测定硫量 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