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See Chinese contents: GB/T 8454-2020 GB/T 8454-2020: Reduced ilmenite powder for welding rob--Determination of ferrous iron content--Potassium dichromate titrimetric method
This Standard specifies to use potassium dichromate titrimetric method to determine ferrous iron content in reduced ilmenite powder for welding rob. This Standard is applicable to determination of ferrous iron content in reduced ilmenite powder for welding rob. Range for determination (mass fraction): 1.00%~10.00%.
