Magnetic solid‐phase extraction of nickel(II) as the 2‐(5‐bromo‐2‐pyridilazo)‐5‐(diethylamino)phenol chelate on magnetite@methacrylic ester copolymer prior to high‐resolution–continuum source flame atomic absorption spectrometric detection

IF 1.3 4区 工程技术 Q4 CHEMISTRY, ANALYTICAL
M. Soylak, Ismail Ungur, Ozgur Ozalp
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引用次数: 1

Abstract

Abstract A Fe3O4@ Diaion HP‐2MG resin was used for separation-preconcentration and determination of trace Ni(II) as the 2‐(5‐bromo‐2‐pyridilazo)‐5‐(diethylamino)phenol (PADAP) chelate. Nickel determination was performed by high‐resolution–continuum source flame atomic absorption spectrometry (HR-CS FAAS). Among the parameters affecting the recoveries of Ni(II) on the Fe3O4@ Diaion HP-2MG, the pH, resin mass, and sample volume were optimized. The influence of matrix ions upon the analyte recovery was evaluated and the tolerance limit was determined for common ions. The Fe3O4@ Diaion HP-2MG resin was used 15 times without any degradation in performance. The limit of detection, the limit of quantification, and preconcentration factor were 15.0 µg L−1, 49.0 µg L−1, and 100 respectively. The accuracy of the developed method was validated by the analyzing certified reference materials (NIST 1573a tomato leaves and TMDA-64.3 fortified water). The developed procedure was applied to natural water and food samples.
磁性固相萃取镍(II)作为2‐(5‐溴‐2‐吡啶二偶氮)‐5‐(二乙胺)苯酚螯合物在magnetite@methacrylic酯共聚物上的高分辨率连续源火焰原子吸收光谱检测
摘要采用Fe3O4@ diion HP‐2MG树脂作为2‐(5‐溴‐2‐吡啶二偶氮)‐5‐(二乙基氨基)苯酚(PADAP)螯合物,对痕量Ni(II)进行了分离富集和测定。采用高分辨率连续源火焰原子吸收光谱法测定镍。在影响Fe3O4@ diion HP-2MG上Ni(II)回收率的参数中,对pH、树脂质量和样品体积进行了优化。评价了基质离子对分析物回收率的影响,确定了普通离子的容限。Fe3O4@ diion HP-2MG树脂使用15次,性能没有下降。检测限为15.0µg L−1,定量限为49.0µg L−1,富集系数为100。通过分析标准物质(NIST 1573a番茄叶和TMDA-64.3强化水)验证了该方法的准确性。该方法已应用于天然水和食品样品。
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来源期刊
Instrumentation Science & Technology
Instrumentation Science & Technology 工程技术-分析化学
CiteScore
3.50
自引率
0.00%
发文量
45
审稿时长
>12 weeks
期刊介绍: Instrumentation Science & Technology is an internationally acclaimed forum for fast publication of critical, peer reviewed manuscripts dealing with innovative instrument design and applications in chemistry, physics biotechnology and environmental science. Particular attention is given to state-of-the-art developments and their rapid communication to the scientific community. Emphasis is on modern instrumental concepts, though not exclusively, including detectors, sensors, data acquisition and processing, instrument control, chromatography, electrochemistry, spectroscopy of all types, electrophoresis, radiometry, relaxation methods, thermal analysis, physical property measurements, surface physics, membrane technology, microcomputer design, chip-based processes, and more. Readership includes everyone who uses instrumental techniques to conduct their research and development. They are chemists (organic, inorganic, physical, analytical, nuclear, quality control) biochemists, biotechnologists, engineers, and physicists in all of the instrumental disciplines mentioned above, in both the laboratory and chemical production environments. The journal is an important resource of instrument design and applications data.
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