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See Chinese contents: GB/T 5686.7-2008 GB/T 5686.7-2008: Ferromanganese, ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal -- Determination of sulfur content -- Infrared absorption method and combustion-neutralization method
This part specifies the infrared absorption method and combustion-neutralization method to determine the sulfur content in ferromanganese-silicon, ferromanganese, blast furnace ferromanganese, nitrogen-bearing ferromanganese, manganese metal, electrolytic manganese metal.
