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See Chinese contents: GB/T 6730.28-2021 GB/T 6730.28-2021: Iron ores -- Determination of fluorine content -- Ion-selective electrode method
This document specifies a method for the determination of fluorine content using ion-selective electrode method. This document applies to the determination of fluorine content in natural iron ores, iron concentrates, and lump ores, including sintered products. The determination range (mass fraction): 0.005 % ~ 1.00 %.
