GB/T 223.77-1994 Methods for chemical analysis iron,steel and alloy.The flame atomic absorption spertrometric method for the determination of calcium content (English Version)
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GB/T 223.77-1994
Scope
This standard specifies the determination of calcium content by flame atomic absorption spectrometry. This standard is applicable to the determination of calcium content in cast iron, carbon steel, alloy steel and superalloy. Measuring range: 0.0005% to 0.010%.
GB/T 223.77-1994 history
1994GB/T 223.77-1994 Methods for chemical analysis iron,steel and alloy.The flame atomic absorption spertrometric method for the determination of calcium content