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See Chinese contents: GB/T 14849.1-2007 GB/T 14849.1-2007: Methods for chemical analysis of silicon metal -- Part 1: Determination of iron content - 1, 10-phenanthrolion spectrophotometric method
This Part specifies the method for determination of iron content in silicon metal. This Part is applicable to the determination of iron content in silicon metal. Determination range (mass fraction): 0.10%~0.65%.
