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See Chinese contents: GB/T 223.14-2000 GB/T 223.14-2000: Methods for chemical analysis of iron, steel and alloy. The N-benzoyl-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content
This Standard specifies the N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content. This Standard is applicable to the determination of vanadium content in iron, steel and alloy under the range of 0.0050% (m/m) ~ 0.50% (m/m).
