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Activated charcoal based diffusive gradients in thin films for in Situ monitoring of bisphenols in waters

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Activated charcoal based diffusive gradients in thin films for in Situ monitoring of bisphenols in waters. / Zhang, Jian-Lun; Guan, Dong-Xing; Luo, Jun; Zhang, Hao; Davison, William; Cui, Xin-Yi; Wang, Lian-Hong; Ma, Lena Q.

In: Analytical Chemistry, Vol. 87, No. 1, 06.01.2015, p. 801-807.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Zhang, J-L, Guan, D-X, Luo, J, Zhang, H, Davison, W, Cui, X-Y, Wang, L-H & Ma, LQ 2015, 'Activated charcoal based diffusive gradients in thin films for in Situ monitoring of bisphenols in waters', Analytical Chemistry, vol. 87, no. 1, pp. 801-807. https://doi.org/10.1021/ac503814j

APA

Zhang, J-L., Guan, D-X., Luo, J., Zhang, H., Davison, W., Cui, X-Y., Wang, L-H., & Ma, L. Q. (2015). Activated charcoal based diffusive gradients in thin films for in Situ monitoring of bisphenols in waters. Analytical Chemistry, 87(1), 801-807. https://doi.org/10.1021/ac503814j

Vancouver

Author

Zhang, Jian-Lun ; Guan, Dong-Xing ; Luo, Jun ; Zhang, Hao ; Davison, William ; Cui, Xin-Yi ; Wang, Lian-Hong ; Ma, Lena Q. / Activated charcoal based diffusive gradients in thin films for in Situ monitoring of bisphenols in waters. In: Analytical Chemistry. 2015 ; Vol. 87, No. 1. pp. 801-807.

Bibtex

@article{b17b907d76464efba8992cf7186b90c6,
title = "Activated charcoal based diffusive gradients in thin films for in Situ monitoring of bisphenols in waters",
abstract = "Widespread use of bisphenols (BPs) in our daily life results in their elevated concentrations in waters and the need to study their environmental impact, which demands reliable and robust measurement techniques. Diffusive gradients in thin films (DGT) is an in situ passive sampling approach which provides time-integrated data. In this study we developed a new methodology, based on DGT with activated charcoal (AC) as a binding agent, for measuring three BPs (BPA, BPB, and BPF) which incorporated and tested its performance characteristics. Consistent elution efficiencies were obtained using methanol when concentrations of BPs were low and a methanol–NaOH mixture at high concentrations. The diffusion coefficients of BPA, BPB, and BPF in the diffusive gel, measured using an independent diffusion cell, were 5.03 × 10–6, 5.64 × 10–6, and 4.44 × 10–6 cm2 s–1 at 25 °C, respectively. DGT with an AC binding gel had a high capacity for BPA, BPB, and BPF at 192, 140, and 194 μg/binding gel disk, respectively, and the binding performance did not deteriorate with time, up to 254 d after production. Time-integrated concentrations of BPs measured in natural waters using DGT devices with AC gels deployed in situ for 7 d were comparable to concentrations measured by an active sampling method. This study demonstrates that AC-based DGT is an effective tool for in situ monitoring of BPs in waters.",
author = "Jian-Lun Zhang and Dong-Xing Guan and Jun Luo and Hao Zhang and William Davison and Xin-Yi Cui and Lian-Hong Wang and Ma, {Lena Q.}",
year = "2015",
month = jan,
day = "6",
doi = "10.1021/ac503814j",
language = "English",
volume = "87",
pages = "801--807",
journal = "Analytical Chemistry",
issn = "0003-2700",
publisher = "American Chemical Society",
number = "1",

}

RIS

TY - JOUR

T1 - Activated charcoal based diffusive gradients in thin films for in Situ monitoring of bisphenols in waters

AU - Zhang, Jian-Lun

AU - Guan, Dong-Xing

AU - Luo, Jun

AU - Zhang, Hao

AU - Davison, William

AU - Cui, Xin-Yi

AU - Wang, Lian-Hong

AU - Ma, Lena Q.

PY - 2015/1/6

Y1 - 2015/1/6

N2 - Widespread use of bisphenols (BPs) in our daily life results in their elevated concentrations in waters and the need to study their environmental impact, which demands reliable and robust measurement techniques. Diffusive gradients in thin films (DGT) is an in situ passive sampling approach which provides time-integrated data. In this study we developed a new methodology, based on DGT with activated charcoal (AC) as a binding agent, for measuring three BPs (BPA, BPB, and BPF) which incorporated and tested its performance characteristics. Consistent elution efficiencies were obtained using methanol when concentrations of BPs were low and a methanol–NaOH mixture at high concentrations. The diffusion coefficients of BPA, BPB, and BPF in the diffusive gel, measured using an independent diffusion cell, were 5.03 × 10–6, 5.64 × 10–6, and 4.44 × 10–6 cm2 s–1 at 25 °C, respectively. DGT with an AC binding gel had a high capacity for BPA, BPB, and BPF at 192, 140, and 194 μg/binding gel disk, respectively, and the binding performance did not deteriorate with time, up to 254 d after production. Time-integrated concentrations of BPs measured in natural waters using DGT devices with AC gels deployed in situ for 7 d were comparable to concentrations measured by an active sampling method. This study demonstrates that AC-based DGT is an effective tool for in situ monitoring of BPs in waters.

AB - Widespread use of bisphenols (BPs) in our daily life results in their elevated concentrations in waters and the need to study their environmental impact, which demands reliable and robust measurement techniques. Diffusive gradients in thin films (DGT) is an in situ passive sampling approach which provides time-integrated data. In this study we developed a new methodology, based on DGT with activated charcoal (AC) as a binding agent, for measuring three BPs (BPA, BPB, and BPF) which incorporated and tested its performance characteristics. Consistent elution efficiencies were obtained using methanol when concentrations of BPs were low and a methanol–NaOH mixture at high concentrations. The diffusion coefficients of BPA, BPB, and BPF in the diffusive gel, measured using an independent diffusion cell, were 5.03 × 10–6, 5.64 × 10–6, and 4.44 × 10–6 cm2 s–1 at 25 °C, respectively. DGT with an AC binding gel had a high capacity for BPA, BPB, and BPF at 192, 140, and 194 μg/binding gel disk, respectively, and the binding performance did not deteriorate with time, up to 254 d after production. Time-integrated concentrations of BPs measured in natural waters using DGT devices with AC gels deployed in situ for 7 d were comparable to concentrations measured by an active sampling method. This study demonstrates that AC-based DGT is an effective tool for in situ monitoring of BPs in waters.

U2 - 10.1021/ac503814j

DO - 10.1021/ac503814j

M3 - Journal article

VL - 87

SP - 801

EP - 807

JO - Analytical Chemistry

JF - Analytical Chemistry

SN - 0003-2700

IS - 1

ER -