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本文研究了流基葡聚糖凝胶分离富集—火焰原子吸收法测定痕量铁的试验条件，方法可用于天然水样、试剂、高纯锌中痕量铁的测定，结果令人满意。
In this paper, the experimental conditions for the determination of trace iron by flame atomic absorption spectrometry were studied. The method was applied to the determination of trace iron in natural water samples, reagents and high purity zinc. The results were satisfactory.