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本文采用原子吸收分光光度计兼作光度检测器设制了一套流动注射分析装置，研究了工业水中铁含量测定的实验条件，建立一种新的测定方法，精密度和准确性良好，分析速度为170次／时，扩大了原子吸收分光光度计的应用范围。
In this paper, a set of flow injection analysis equipment was designed by using atomic absorption spectrophotometer as photometric detector. The experimental conditions for the determination of iron content in industrial water were studied. A new determination method was established with good precision and accuracy. The analysis speed was 170 times / hour, expanding the scope of application of atomic absorption spectrophotometer.