GB/T 223.16-1991 Methods for chemical analysis of iron,steel and alloy--The chromotropic acid photometric method for the determination of titanium content (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
2017-12
Latest
GB/T 223.16-1991
Replace
GB 223.16-1982
Scope
This standard specifies the determination of titanium content by chromotropic acid photometry. This standard is applicable to the determination of pig iron, carbon steel and iron-based steel grades. Measuring range: 0.010% to 2.50%.
GB/T 223.16-1991 history
1991GB/T 223.16-1991 Methods for chemical analysis of iron,steel and alloy--The chromotropic acid photometric method for the determination of titanium content