Liquid-Phase Microextraction or Electromembrane Extraction?

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Liquid-Phase Microextraction or Electromembrane Extraction? / Wan, Libin; Lin, Bin; Zhu, Ruiqin; Huang, Chuixiu; Pedersen-Bjergaard, Stig; Shen, Xiantao.

In: Analytical Chemistry, Vol. 91, No. 13, 02.07.2019, p. 8267-8273.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Wan, L, Lin, B, Zhu, R, Huang, C, Pedersen-Bjergaard, S & Shen, X 2019, 'Liquid-Phase Microextraction or Electromembrane Extraction?', Analytical Chemistry, vol. 91, no. 13, pp. 8267-8273. https://doi.org/10.1021/acs.analchem.9b00946

APA

Wan, L., Lin, B., Zhu, R., Huang, C., Pedersen-Bjergaard, S., & Shen, X. (2019). Liquid-Phase Microextraction or Electromembrane Extraction? Analytical Chemistry, 91(13), 8267-8273. https://doi.org/10.1021/acs.analchem.9b00946

Vancouver

Wan L, Lin B, Zhu R, Huang C, Pedersen-Bjergaard S, Shen X. Liquid-Phase Microextraction or Electromembrane Extraction? Analytical Chemistry. 2019 Jul 2;91(13):8267-8273. https://doi.org/10.1021/acs.analchem.9b00946

Author

Wan, Libin ; Lin, Bin ; Zhu, Ruiqin ; Huang, Chuixiu ; Pedersen-Bjergaard, Stig ; Shen, Xiantao. / Liquid-Phase Microextraction or Electromembrane Extraction?. In: Analytical Chemistry. 2019 ; Vol. 91, No. 13. pp. 8267-8273.

Bibtex

@article{b2d6dc382227412185a6dda813146f7d,
title = "Liquid-Phase Microextraction or Electromembrane Extraction?",
abstract = "Isolation of substances by liquid-phase microextraction (LPME) or electromembrane extraction (EME) is becoming more and more important in analytical chemistry. However, the understanding of the mass transfer in LPME and EME is limited, especially for highly concentrated samples. In this work, the mass transfer in LPME and EME from aqueous samples (0.5-200 mg L-1) was studied in terms of recovery, equilibrium time, flux, and mass transfer capacity. In both EME and LPME, high recoveries were achieved at low analyte concentration, and the recoveries decreased at high analyte concentration. For EME, the loss in recovery was partly compensated by increasing the extraction voltage (from 50 to 200 V), while the LPME recovery at high analyte concentration was improved by increasing the extraction time (from 30 to 180 min). EME was superior in terms of equilibrium time and flux, while LPME provided much higher mass transfer capacity especially for highly concentrated samples. Moreover, the recovery was much more sensitive to high analyte concentrations in EME than in LPME, and the EME recovery decreased significantly above 50 mg L-1, indicating that LPME could be used to isolate analytes in a wider concentration range than EME. We believe that this fundamental study will be of great importance for the selection of a suitable membrane-based microextraction technique.",
author = "Libin Wan and Bin Lin and Ruiqin Zhu and Chuixiu Huang and Stig Pedersen-Bjergaard and Xiantao Shen",
year = "2019",
month = jul,
day = "2",
doi = "10.1021/acs.analchem.9b00946",
language = "English",
volume = "91",
pages = "8267--8273",
journal = "Industrial And Engineering Chemistry Analytical Edition",
issn = "0003-2700",
publisher = "American Chemical Society",
number = "13",

}

RIS

TY - JOUR

T1 - Liquid-Phase Microextraction or Electromembrane Extraction?

AU - Wan, Libin

AU - Lin, Bin

AU - Zhu, Ruiqin

AU - Huang, Chuixiu

AU - Pedersen-Bjergaard, Stig

AU - Shen, Xiantao

PY - 2019/7/2

Y1 - 2019/7/2

N2 - Isolation of substances by liquid-phase microextraction (LPME) or electromembrane extraction (EME) is becoming more and more important in analytical chemistry. However, the understanding of the mass transfer in LPME and EME is limited, especially for highly concentrated samples. In this work, the mass transfer in LPME and EME from aqueous samples (0.5-200 mg L-1) was studied in terms of recovery, equilibrium time, flux, and mass transfer capacity. In both EME and LPME, high recoveries were achieved at low analyte concentration, and the recoveries decreased at high analyte concentration. For EME, the loss in recovery was partly compensated by increasing the extraction voltage (from 50 to 200 V), while the LPME recovery at high analyte concentration was improved by increasing the extraction time (from 30 to 180 min). EME was superior in terms of equilibrium time and flux, while LPME provided much higher mass transfer capacity especially for highly concentrated samples. Moreover, the recovery was much more sensitive to high analyte concentrations in EME than in LPME, and the EME recovery decreased significantly above 50 mg L-1, indicating that LPME could be used to isolate analytes in a wider concentration range than EME. We believe that this fundamental study will be of great importance for the selection of a suitable membrane-based microextraction technique.

AB - Isolation of substances by liquid-phase microextraction (LPME) or electromembrane extraction (EME) is becoming more and more important in analytical chemistry. However, the understanding of the mass transfer in LPME and EME is limited, especially for highly concentrated samples. In this work, the mass transfer in LPME and EME from aqueous samples (0.5-200 mg L-1) was studied in terms of recovery, equilibrium time, flux, and mass transfer capacity. In both EME and LPME, high recoveries were achieved at low analyte concentration, and the recoveries decreased at high analyte concentration. For EME, the loss in recovery was partly compensated by increasing the extraction voltage (from 50 to 200 V), while the LPME recovery at high analyte concentration was improved by increasing the extraction time (from 30 to 180 min). EME was superior in terms of equilibrium time and flux, while LPME provided much higher mass transfer capacity especially for highly concentrated samples. Moreover, the recovery was much more sensitive to high analyte concentrations in EME than in LPME, and the EME recovery decreased significantly above 50 mg L-1, indicating that LPME could be used to isolate analytes in a wider concentration range than EME. We believe that this fundamental study will be of great importance for the selection of a suitable membrane-based microextraction technique.

U2 - 10.1021/acs.analchem.9b00946

DO - 10.1021/acs.analchem.9b00946

M3 - Journal article

C2 - 31141346

AN - SCOPUS:85067934040

VL - 91

SP - 8267

EP - 8273

JO - Industrial And Engineering Chemistry Analytical Edition

JF - Industrial And Engineering Chemistry Analytical Edition

SN - 0003-2700

IS - 13

ER -

ID: 231649508