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See Chinese contents: GB/T 223.54-1987 GB/T 223.54-1987: Methods for chemical analysis of iron, steel and alloy - The flame atomic absorption spectrophotometric method for the determination of nickel content
This standard applies to the determination of the amount of nickel in cast iron, carbon steel, and low alloy steel. Measuring range is 0. 005% ~ 0. 50%. This standard follows the requirements GB 1467-78 Method for chemical analysis of metallurgy product - General rules and regulations.
