This standard ( Part X ) covers method for determination of molyb-denum (up to 1 percent) by the thiocyanate ( photometric ) method in low and high alloy steels.
IS 228 Pt.10-1976 history
1990IS 228 Pt.10-1989 Methods for chemical analysis of steel Part 10 Determination of molybdenum in low-alloy and high-alloy steels by the thiocyanate method (photometric method) (molybdenum content 0.01 to 1.50%)