标准摘要
[中文适用范围]： 本文件规定了N-苯甲酰基苯胲分光光度法测定钢和铁合金中的钒的方法。本文件适用于质量分数为0,005 %到0,50 %的钒含量的测定。 [外文原描述]： ISO 4942:2016 specifies an N-benzoylphenylhydroxylamine (N-BPHA) spectrophotometric method for the determination of vanadium in steels and cast irons. It is applicable to vanadium contents between 0,005 % and 0,50 % (mass fraction).
英文名称Steels and irons — Determination of vanadium content — N-BPHA spectrophotometric method