Fe3O4@SiO2@Bacillus pumilis: magnetised solid phase bio-extractor for preconcentration of Pb(II) and Cu(II) from water samples

被引：18
作者：
Erbas, Zeliha [1 ]
Soylak, Mustafa [1 ]
Ozdemir, Sadin [2 ]
Kilinc, Ersin [3 ]
机构：
[1] Erciyes Univ, Dept Chem, Fac Sci, Kayseri, Turkey
[2] Mersin Univ, Vocat Sch, Tech Sci, Food Proc Program, Mersin, Turkey
[3] Dicle Univ, Dept Chem & Chem Proc Technol, Diyarbakir, Turkey
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY | 2019年 / 99卷 / 11期
关键词：
Magnetic solid phase extraction; Bacillus pumilis; preconcentration; flame atomic absorption spectrometry; ATOMIC-ABSORPTION-SPECTROMETRY; LIQUID-LIQUID MICROEXTRACTION; FLOATING ORGANIC DROP; TRACE AMOUNTS; METAL-IONS; ENVIRONMENTAL-SAMPLES; SPECTROPHOTOMETRIC DETERMINATION; EFFICIENT ADSORBENT; SORBENT EXTRACTION; GRAPHENE OXIDE;
D O I：
10.1080/03067319.2019.1616710
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this study, preconcentration and separation of Cu(II) and Pb(II) ions by using Fe3O4@SiO2@Bacillus pumilis before their determinations by flame atomic absorption spectrometry (FAAS) were investigated. The thermophilic Bacillus pumilis were isolated from Meyremderesi spring, Sirnak, Turkey. Effects of important parameters such as pH, adsorbent amount, eluent type, concentration and volume of eluent and sample volume on magnetic solid phase extraction (MSPE) were examined in details. The preconcentration factors for Cu(II) and Pb(II) ions were calculated as 30 and 40, respectively. The accuracy of the proposed extraction procedure was validated analysing certificated reference materials and addition - recovery tests. The concentration of copper and lead were determined in water samples from Turkey by Flame AAS after application developed preconcentration-separation method.
引用
收藏
页码：1112 / 1122
页数：11
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