BS 6200-3.18.4:1991 Sampling and analysis of iron, steel and other ferrous metals - Methods of analysis - Determination of manganese - Steel and cast iron: volumetric method
Applicable to manganese contents in the range 0.02 to 14% $7I(m/m)$7R.
BS 6200-3.18.4:1991 history
1991BS 6200-3.18.4:1991 Sampling and analysis of iron, steel and other ferrous metals - Methods of analysis - Determination of manganese - Steel and cast iron: volumetric method