This Subsection of BS 6200 describes a spectrophotometric method for the determination of cobalt in steel and cast iron. The method is applicable to cobalt contents from 0.04 % (m/m) to 12 % (m/m).
NOTE 1 Up to 10 % (m/m) vanadium and 20 % (m/m) tungsten do not interfere.
NOTE 2 The titles of the publications referred to in this Subsection of BS 6200 are listed on the inside back cover.