纳米NiFe2O4预富集氢化物生成-微进样气液分离器-火焰原子吸收光谱法灵敏测定铅。

IF 3.9 2区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Scientific Reports Pub Date : 2025-01-25 DOI:10.1038/s41598-025-87759-1

Merve Fırat Ayyıldız, Süleyman Bodur, Sezgin Bakırdere

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引用次数: 0

摘要

本研究采用分散固相萃取-氢化物生成-微进样气液分离器-火焰原子吸收光谱法测定南极马蹄岛湖水中的铅。在本研究范围内，微波辅助合成了NiFe2O4纳米颗粒，并通过FT-IR， XRD和SEM对纳米颗粒进行了表征。对分散固相萃取和氢化物生成的所有影响参数进行优化，以增强属于分析物的信号强度。进行系统分析性能研究，计算出检测限和定量限分别为2.16µg kg-1和7.19µg kg-1。采用两种不同的校准策略对加标后的湖水样品进行了回收率研究。外标策略的回收率在102.0 ~ 169.5%之间，矩阵匹配校准策略的回收率在78.8 ~ 142.9%之间。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A sensitive determination of lead by hydride generation integrated with micro-sampling gas-liquid separator-FAAS after preconcentration by NiFe2O4 nanoparticles.

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A sensitive determination of lead by hydride generation integrated with micro-sampling gas-liquid separator-FAAS after preconcentration by NiFe₂O₄ nanoparticles.

In the present study, dispersive solid phase extraction - hydride generation integrated with micro-sampling gas-liquid separator - flame atomic absorption spectrometry was proposed to determine lead in lake water samples taken in the Horseshoe Island, Antarctica. In scope of this study, microwave assisted NiFe₂O₄ nanoparticles were synthesized, and the characterization of nanoparticles were carried out by FT-IR, XRD and SEM. All influential parameters of dispersive solid phase extraction and hydride generation were optimized to enhance signal intensity belonging to the analyte. System analytical performance studies were performed, and limit of detection and limit of quantitation were calculated as 2.16 µg kg^-1 and 7.19 µg kg^-1, respectively. Recovery studies were conducted to the spiked lake water samples and two different calibration strategies were applied. Percent recovery results were calculated between 102.0 and 169.5% by external calibration strategy while matrix matching calibration strategy provided recovery results in the range of 78.8-142.9%.

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来源期刊

Scientific Reports Natural Science Disciplines-

CiteScore

7.50

自引率

4.30%

发文量

19567

审稿时长

3.9 months

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