This standard ( Part 5 ) covers method for determination of nickel content of low alloy and high alloy steels containing more than or equal to 0.1 percent nickel.
IS 228 Pt.5-1987 history
1987IS 228 Pt.5-1987 Methods for chemical analysis of steel Part 5 Determination of nickel with dimethylglyoxime (gravimetric method) (nickel ≥ 0.1%)