GB/T 223.53-1987 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content (English Version)
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GB/T 223.53-1987
Scope
This standard is applicable to the determination of copper content in cast iron, carbon steel and low alloy steel. Measuring range: 0.005 to 0.50%. This standard complies with GB1467-78 "General Rules and General Provisions of Standards for Chemical Analysis Methods of Metallurgical Products".
GB/T 223.53-1987 history
1987GB/T 223.53-1987 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content