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Thin Layer Resin Phase Spectrophotometric Method for the Determination of Trace Iron

Zhou Feng-qun, Zuo Yongsheng, Chunxiang Li, Lin-Ge WANG

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Abstract

提出利用Fe(Ⅲ)-EDTA体系,通过薄层树脂相光度法测定痕量铁的新方法.在pH3.2的体系中,于260nm波长处测定,灵敏度e260＝1.84×105,测定含5μg Fe(Ⅲ)溶液5次,RSD＝4.3%,实测天然水和试剂中Fe(Ⅲ)含量,回收率96%～99%,结果令人满意.

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What this paper is about

提出利用Fe(Ⅲ)-EDTA体系,通过薄层树脂相光度法测定痕量铁的新方法.在pH3.2的体系中,于260nm波长处测定,灵敏度e260＝1.84×105,测定含5μg Fe(Ⅲ)溶液5次,RSD＝4.3%,实测天然水和试剂中Fe(Ⅲ)含量,回收率96%～99%,结果令人满意.

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Available abstract

提出利用Fe(Ⅲ)-EDTA体系,通过薄层树脂相光度法测定痕量铁的新方法.在pH3.2的体系中,于260nm波长处测定,灵敏度e260＝1.84×105,测定含5μg Fe(Ⅲ)溶液5次,RSD＝4.3%,实测天然水和试剂中Fe(Ⅲ)含量,回收率96%～99%,结果令人满意.

Key concepts: TRACE (psycholinguistics), Layer (electronics), Phase (matter), Thin layer, Analytical Chemistry (journal), Chemistry, Materials science, Chromatography

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