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  • The application of Flame Atomic Absorption Spectrometry to evaluate Lead (II) in Vegetable Samples after Its Preconcentration by SA-DLLME

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آدرس مقاله


کد مقاله : 693103 بازدید : 155 صفحه: 357 - 366

10.22034/jchr.2022.693103

نوع مقاله: پژوهشی

The application of Flame Atomic Absorption Spectrometry to evaluate Lead (II) in Vegetable Samples after Its Preconcentration by SA-DLLME

محورهای موضوعی :

Sajda .S. Affat 1 ( Department of Chemistry, College of Science, University of Thi-Qar, Iraq )

تاریخ دریافت : 1400/05/14 تاریخ پذیرش : 1400/11/21 تاریخ انتشار : 1402/03/11

کلید واژه: recovery, Matrix, Lead ion, SA-DLLME, Non-ionic surfactant, Vegetable samples,

چکیده مقاله :

In this paper, a new and environmentally friendly approach has been developed to determine the levels of lead in plant samples. To preconcentrate the lead ion, SA-DLLME (surfactant-assisted dispersive liquid-liquid micro-extraction) was used in the study of flame atomic absorption spectrometry (FAAS). The influence of the following analytical parameters on the quantitative recoveries of lead was studied: pH, type and amount of the extraction solvent, type and amount of the dispersing solvent, type and amount of the surfactant, centrifugation time and rate, amount of (APDC), sample volume and amount of matrix. The approach was validated using vegetable samples. The approach offered a (LOD) of 0.28 μg l-1, (LOQ) of 0.933 μg l-1, (RSD) of 1.2-4.3%, (EF) of 85, PF of 30, and ER% of (100.6-102.1)%.

چکیده انگلیسی:

منابع و مأخذ:


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