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See Chinese contents: GB/T 3654.3-2019 GB/T 3654.3-2019: Ferroniobium -- Determination of silicon content -- Gravimetric method
This Part of GB/T 3654 stipulates the determination of silicon content in ferroniobium through gravimetric method. This Part is applicable to the determination of silicon content in ferroniobium; the range of determination (mass fraction): 1.00% ~ 10.00%.
