Home / Standards / GB/T 4698.20-1996 GB/T 4698.20-1996 Abolished Sponge titanium，titanium and titanium alloys--Determination of manganese content--Potassium periodate spectrophotometric method 海绵钛、钛及钛合金化学分析方法 高碘酸钾分光光度法测定锰量 Standard Type GBT ICS 77.120.50 CCS H14 Status 废止 Issue Date 1996-11-04 Implementation 1997-04-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A