Application of robust syringe-to-syringe dispersive liquid-phase microextraction method for preconcentration and determination of mercury with the aid of an experimental design. Issue 2 (22nd January 2022)

• Record Type: Journal Article
• Authors: Hayati, Marziyeh; Ramezani, Majid; Rezanejade Bardajee, Ghasem; Momeni Isfahani, Tahereh
• Is Part Of: Separation science and technology. Volume 57:Issue 2(2022)
• Page Start: 274
• Page End: 283
• Publication Date: 2022-01-22
• Subjects: Mercury -- syringe-to-syringe dispersive liquid-phase microextraction -- spectrophotometry -- water -- fish and human hair samples; Separation (Technology) -- Periodicals; 660.284205
• DOI: 10.1080/01496395.2021.1899219
• Languages: English
• ISSNs: 0149-6395

Abstract

ABSTRACT: A simple and rapid syringe-to-syringe dispersive liquid-phase microextraction (SS-DLPME) technique has been developed for the separation and preconcentration of mercury combined with UV-Vis spectrophotometry. In this method, effective factors were screened using a Plackett–Burman design (PBD) and optimized using a Box–Behnken design (BBD). Under the optimized experimental conditions, the calibration curve was linear in the range of 5–400 µg L −1 with the coefficient of determination ( r 2 ) of 0.997. The detection limit, intraday precision, inter-day precision and the enrichment factor (EF) were 1.60 μg L −1, 1.57%, 1.82% and 120, respectively. This method was successfully applied to the determination of Hg(II) in water, fish and human hair samples.