GB/T 223.17-1989 Methods for chemical analysis of iron,steel and alloy--The diantipyrylmethane photometric method for the determination of titanium content (English Version)
This standard stipulates the determination of titanium content by diantipyrine methane spectrophotometry. This standard applies to the determination of titanium content in nickel-based and iron-nickel-based alloys. Measuring range: 0.010% to 2.400%.
GB/T 223.17-1989 history
1989GB/T 223.17-1989 Methods for chemical analysis of iron,steel and alloy--The diantipyrylmethane photometric method for the determination of titanium content