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See Chinese contents: GB/T 223.23-2008 GB/T 223.23-2008: Iron, steel and alloy -- Determination of nickel content -- The dimethylglyoxime spectrophotometric method
This Part of GB/T 223 specifies the determination of nickel content with dimethylglyoxime direct photometric method and extraction separation - dimethylglyoxime spectrophotometric method.
