首页> 外文期刊>Mikrochimica Acta: An International Journal for Physical and Chemical Methods of Analysis >Tetrachloroferrate(III)-SeIective Liquid Membrane Electrode Based on Crystal Violet
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Tetrachloroferrate(III)-SeIective Liquid Membrane Electrode Based on Crystal Violet

机译:基于结晶紫的四氯高铁酸根(III)选择液膜电极

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An extract of crystal violet-tetrachloroferrate(III) in nitrobenzene was used to prepare a tetrachloroferrate(III)-selective liquid membrane electrode with a poly(vinyl chloride) support. The optimal conditions to determine 2.5 x 10-5 - 5.0 x 1(T2 M iron(III) as tetrachloroferrate(III) (anionic slope 56 mV/decade, detection limit 7.9 x 1(T6M) were found to be 4.0-5.5. M total chloride in 0.75-1.5 M hydrochloric acid. The electrode was reliably applied to determine iron in human blood, haematite and mineralized vitamin syrup by direct potentiometry, standard and sample additions as well as standard subtraction techniques.
机译:使用在硝基苯中的结晶紫-四氯高铁酸盐(III)萃取液来制备具有聚(氯乙烯)载体的四氯高铁酸盐(III)-选择性液体膜电极。确定将2.5 x 10-5-5.0 x 1(T2 M铁(III)作为四氯高铁酸盐(III))的最佳条件(阴离子斜率56 mV /十倍,检出限7.9 x 1(T6M))为4.0-5.5。在0.75-1.5 M盐酸中的M总氯,该电极可通过直接电位法,标准品和样品添加以及标准减法技术可靠地用于测定人血,赤铁矿和矿化的维生素糖浆中的铁。

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