This standard (Part 4) covers the method for determination of total carbon content of plain carbon, low alloy and high alloy steels of 0.l percent and above by the gravimetric method.
IS 228 Pt.4-1987 history
1987IS 228 Pt.4-1987 Methods of chemical analysis of steel Part 4 Gravimetric determination of total carbon (for carbon ≥ 0.1%)