Simultaneous complexation and extraction of manganese in melissa tea sample by deep eutectic solvent based liquid phase microextraction

被引:5
作者
Bayraktar, Ahsen [1 ]
Erarpat, Sezin [1 ]
Diridiri, Paye Naz [1 ]
Kus, Kevser [2 ]
Bakirdere, Sezgin [1 ,3 ]
机构
[1] Yildiz Tech Univ, Chem Dept, TR-34210 Istanbul, Turkiye
[2] Dokuz Eylul Univ, Chem Dept, TR-35390 Izmir, Turkiye
[3] Turkish Acad Sci TUBA, Vedat Dalokay St 112, TR-06670 Ankara, Turkiye
关键词
Manganese; 5-diphenylthiocarbazone; Melissa tea; Deep eutectic solvent; Flame atomic absorption spectrophotometry; 1; ATOMIC-ABSORPTION-SPECTROMETRY; FOOD SAMPLES; WATER; GREEN;
D O I
10.1016/j.jfca.2023.105775
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Manganese at trace levels cannot be detected by flame atomic absorption spectrophotometer (FAAS) without a preconcentration method. In the presented study, an accurate and sensitive analytical method for the determination of manganese at trace levels in melissa tea samples was established. Deep eutectic solvent based liquid phase microextraction (DES-LPME) was used to preconcentrate the analyte from aqueous medium. Several important parameters were individually optimized to achieve high signal to noise ratio for the analyte in FAAS system. Under the optimum experimental conditions, limit of detection (LOD), limit of quantitation (LOQ) and linear range (LR) for the developed DES-LPME-FAAS system were found as 1.7 mu g/kg, 5.8 mu g/kg and 6.5-202.8 mu g/kg, respectively. Enhancement in detection power was calculated as 112.2 folds by dividing manganese LOD value in FAAS system to value obtained by DES-LPME-FAAS system. Three different melissa tea samples were analyzed by the proposed method to find their manganese content. Percent recovery results for the tea samples ranged between 80.4% and 122.6% with low standard deviation values.
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页数:6
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