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三正辛胺萃取-双波长作图法同时测定铁和锌

Simultaneous Determination of Zinc and Iron by Trioctylamine Extraction-Double Wavelength Graphical Method

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【Author】 Liu Yu Liu Lihang Cheng Shuqiu (Department of Applied Chemistry,Fushun Petroleum Institute,Fushun 113001)

【机构】抚顺石油学院应用化学系；抚顺石油学院应用化学系抚顺； 113001；抚顺；

【摘要】用三正辛胺萃取分离干扰离子,以5-Br-PADAP-TritonX-100为显色体系。提出了一种同时测定两组分的双波长作图法,并用于铁和锌的同时测定。线性范围:Fe³⁺0～12μg/25ml,Zn²⁺0～10μg/25ml。合成样回收率100.9%～102.4%,铝合金标样分析结果的相对误差小于±3.0%.方法简便、准确。更多还原

【Abstract】 Trioctylamine is used to extract and separate zinc and iron from interference ions.5-Br-PADAP—Triton X-100 is used as a coloured system.A double wavelength graphical method for simultaneous determination of zinc and iron has been developed.Linear ranges are 0-12μg/25ml for iron(Ⅲ)and 0-10μg/25ml for zinc(Ⅱ).The extraction recorvery of analytical results for standard samples of aluminium alloy is less than ±3.0%.This method is simple and accurate.更多还原

【关键词】双波长作图法；三正辛胺萃取； 5-Br-PADAP—Tirtion X-100显色体系；铁；锌；铝合金；
【Key words】 Double wavelength graphical method； Trioctylamine extraction； 5-Br-PADAP-Triton X-100 coloured system； Iron； Zinc； Aluminium alloy；

【文献出处】冶金分析 ,Metallurgical Analysis , 编辑部邮箱 ,1997年06期

【分类号】TG115.33
【下载频次】25

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