IS 12308-11: Methods for Chemical Analysis of Cast Iron and Pig Iron, Part 11: Determination of total carbon by the direct combustion volumetric method (for carbon 1.50 to 4.50 percent) Bureau of Indian Standards
IS 228-11: Methods of chemical analysis of steels, Part 11: Determination of total silicon by reduced molyddosilicate spectro photo metric method in carbon steels and low alloy steels (for silicon 0.01 to 0.05 percent) Bureau of Indian Standards