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本文根据Fe(Ⅲ)-DCS-偶氮胂和Fe(Ⅱ)-邻菲啰啉体系的显色反应,采用自动化流动注射分析装置进行了铁两种价态的测定,不同比例的Fe(Ⅲ)和Fe(Ⅱ)混合物相对标准偏差在5％以内,分析速度为120试样/h。
According to the color reaction of Fe (Ⅲ) -DCS-arsenazo and Fe (Ⅱ) -phenanthroline system, the two valence states of iron were determined by using an automated flow injection analyzer. The different ratios of Fe (Ⅲ) ) And Fe (Ⅱ) mixture relative standard deviation within 5%, the analysis speed of 120 samples / h.