Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation

MARGU, Eva; HIDALGO, Manuela

Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation

Eva MARGU, (Department of Chemistry, University of Girona, Girona, Spain)

Manuela HIDALGO (Department of Chemistry, University of Girona, Girona, Spain)

Turkish Journal of Chemistry

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Yıl: 2016 Cilt: 40 Sayı: 6 Sayfa Aralığı: 1002 - 1011 Metin Dili: İngilizce İndeks Tarihi: 29-07-2022

Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation

Öz:

Liquid phase microextraction (LPME) procedures have been widely used in combination with atomic andemission spectroscopic techniques for the isolation and preconcentration of trace elements. However, its applicationin combination with total re ection X-ray spectrometry (TXRF) is still scarce. In this paper, we evaluate the possi-bilities and drawbacks of a two-phase hollow ber LPME procedure in combination with TXRF for the simultaneousdetermination of trace amounts of Cr, Ni, Cu, Zn, Pb, and Cd in aqueous samples.After extraction of the analytes by using the optimum conditions (sample volume: 25 mL, complexing agent:APDC, organic solvent: hexylbenzene, extraction time: 2 h, extraction speed: 660 rpm), 10 L of the preconcentratedsample was deposited on a preheated quartz re ector, dried on a hot plate at 80◦C, and analyzed by TXRF. Using suchconditions, limits of detection lower than 3 g L1were obtained for all metals.In spite of LODs improvement in comparison with the direct analysis of the aqueous samples (up to a factor of100), precision of the results was not optimal (RSD 20%). This fact may be related to the use of a low volatility solventas extractant phase that hampers the later TXRF analysis.

Anahtar Kelime:

Konular: Mühendislik, Kimya

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	MARGU E, HIDALGO M (2016). Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation. , 1002 - 1011.
Chicago	MARGU Eva,HIDALGO Manuela Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation. (2016): 1002 - 1011.
MLA	MARGU Eva,HIDALGO Manuela Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation. , 2016, ss.1002 - 1011.
AMA	MARGU E,HIDALGO M Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation. . 2016; 1002 - 1011.
Vancouver	MARGU E,HIDALGO M Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation. . 2016; 1002 - 1011.
IEEE	MARGU E,HIDALGO M "Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation." , ss.1002 - 1011, 2016.
ISNAD	MARGU, Eva - HIDALGO, Manuela. "Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation". (2016), 1002-1011.

APA	MARGU E, HIDALGO M (2016). Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation. Turkish Journal of Chemistry, 40(6), 1002 - 1011.
Chicago	MARGU Eva,HIDALGO Manuela Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation. Turkish Journal of Chemistry 40, no.6 (2016): 1002 - 1011.
MLA	MARGU Eva,HIDALGO Manuela Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation. Turkish Journal of Chemistry, vol.40, no.6, 2016, ss.1002 - 1011.
AMA	MARGU E,HIDALGO M Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation. Turkish Journal of Chemistry. 2016; 40(6): 1002 - 1011.
Vancouver	MARGU E,HIDALGO M Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation. Turkish Journal of Chemistry. 2016; 40(6): 1002 - 1011.
IEEE	MARGU E,HIDALGO M "Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation." Turkish Journal of Chemistry, 40, ss.1002 - 1011, 2016.
ISNAD	MARGU, Eva - HIDALGO, Manuela. "Analytical capabilities of two-phase hollow- ber liquid phase microextraction fortrace multielement determination in aqueous samples by means of portable totalre ection X-ray instrumentation". Turkish Journal of Chemistry 40/6 (2016), 1002-1011.