BaTiO3 is a novel adsorbent for solid-phase extraction of copper at trace levels in food and water samples before HR-CS-FAAS detection

被引：13
作者：
Kori, Abdul Hameed [1 ,2 ]
Uzcan, Furkan [1 ,3 ]
Soylak, Mustafa [1 ,3 ,4 ]
机构：
[1] Erciyes Univ, Fac Sci, Chem Dept, TR-38039 Kayseri, Turkiye
[2] Univ Sindh, Natl Ctr Excellence Analyt Chem, Sindh 67080, Pakistan
[3] Erciyes Univ, Technol Res & Applicat Ctr TAUM, TR-38039 Kayseri, Turkiye
[4] Turkish Acad Sci TUBA, Ankara, Turkiye
来源：
JOURNAL OF FOOD COMPOSITION AND ANALYSIS | 2023年 / 122卷
关键词：
Barium titanate; Determination; Copper; Food samples; Water samples; PRECONCENTRATION; COMPOSITE;
D O I：
10.1016/j.jfca.2023.105474
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A simple, precise, and rapid method for preconcentration and determination of copper in food and water samples, based on sonication/vortex-free solid phase extraction with high resolution-continuum source flame atomic absorption spectrometry has been developed. In this study, BaTiO3 was synthesized using a single-step hydrothermal method and used as an adsorbent. BaTiO3 was characterized by FT-IR, SEM-EDX, STEM, XRD, and BET methods. The significant feature of the adsorbent is its high surface-to-volume ratio (177.4 m2/g). Important parameters (pH, adsorbent amount, eluent type and volume, adsorption and desorption time, model solution volume, and matrix effects) were optimized. The linear working range (5 - 250 & mu;g L-1) and the detection limit (1.6 & mu;g L-1) were calculated. The presented method was validated with certified reference material and the addition-recovery tests. The application of the method was evaluated for the extraction and determination of Cu (II) in selected food and water samples and quantitative data were obtained.
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页数：8
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