Ferrotungsten—Determination of copper content—Bis(cyclohexanone) oxalyldihydrazone photometric method and flame atomic absorption spectrometric method
冶金工业信息标准研究院
本部分规定了双环己酮草酰二腙光度法和火焰原子吸收光谱法测定铜含量。
本部分适用于钨铁中铜含量的测定。双环己酮草酰二腙光度法测定范围(质量分数)：0.030%～0.25%；火焰原子吸收光谱法测定范围(质量分数)：0.020%～0.25%。
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