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Uncertainty evaluation of the diffusive gradients in thin films technique

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Uncertainty evaluation of the diffusive gradients in thin films technique. / Kreuzeder, Andreas; Santner, Jakob; Zhang, Hao et al.
In: Environmental Science and Technology, Vol. 49, No. 3, 03.02.2015, p. 1594-1602.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Kreuzeder, A, Santner, J, Zhang, H, Prohaska, T & Wenzel, WW 2015, 'Uncertainty evaluation of the diffusive gradients in thin films technique', Environmental Science and Technology, vol. 49, no. 3, pp. 1594-1602. https://doi.org/10.1021/es504533e

APA

Kreuzeder, A., Santner, J., Zhang, H., Prohaska, T., & Wenzel, W. W. (2015). Uncertainty evaluation of the diffusive gradients in thin films technique. Environmental Science and Technology, 49(3), 1594-1602. https://doi.org/10.1021/es504533e

Vancouver

Kreuzeder A, Santner J, Zhang H, Prohaska T, Wenzel WW. Uncertainty evaluation of the diffusive gradients in thin films technique. Environmental Science and Technology. 2015 Feb 3;49(3):1594-1602. Epub 2015 Jan 12. doi: 10.1021/es504533e

Author

Kreuzeder, Andreas ; Santner, Jakob ; Zhang, Hao et al. / Uncertainty evaluation of the diffusive gradients in thin films technique. In: Environmental Science and Technology. 2015 ; Vol. 49, No. 3. pp. 1594-1602.

Bibtex

@article{80cced35d7b445c3a2d535112c2cf429,
title = "Uncertainty evaluation of the diffusive gradients in thin films technique",
abstract = "Although the analytical performance of the diffusive gradients in thin films (DGT) technique is well investigated, there is no systematic analysis of the DGT measurement uncertainty and its sources. In this study we determine the uncertainties of bulk DGT measurements (not considering labile complexes) and of DGT-based chemical imaging using laser ablation - inductively coupled plasma mass spectrometry. We show that under well-controlled experimental conditions the relative combined uncertainties of bulk DGT measurements are ∼10% at a confidence interval of 95%. While several factors considerably contribute to the uncertainty of bulk DGT, the uncertainty of DGT LA-ICP-MS mainly depends on the signal variability of the ablation analysis. The combined uncertainties determined in this study support the use of DGT as a monitoring instrument. It is expected that the analytical requirements of legal frameworks, for example, the EU Drinking Water Directive, are met by DGT sampling.",
author = "Andreas Kreuzeder and Jakob Santner and Hao Zhang and Thomas Prohaska and Wenzel, {Walter W.}",
year = "2015",
month = feb,
day = "3",
doi = "10.1021/es504533e",
language = "English",
volume = "49",
pages = "1594--1602",
journal = "Environmental Science and Technology",
issn = "0013-936X",
publisher = "American Chemical Society",
number = "3",

}

RIS

TY - JOUR

T1 - Uncertainty evaluation of the diffusive gradients in thin films technique

AU - Kreuzeder, Andreas

AU - Santner, Jakob

AU - Zhang, Hao

AU - Prohaska, Thomas

AU - Wenzel, Walter W.

PY - 2015/2/3

Y1 - 2015/2/3

N2 - Although the analytical performance of the diffusive gradients in thin films (DGT) technique is well investigated, there is no systematic analysis of the DGT measurement uncertainty and its sources. In this study we determine the uncertainties of bulk DGT measurements (not considering labile complexes) and of DGT-based chemical imaging using laser ablation - inductively coupled plasma mass spectrometry. We show that under well-controlled experimental conditions the relative combined uncertainties of bulk DGT measurements are ∼10% at a confidence interval of 95%. While several factors considerably contribute to the uncertainty of bulk DGT, the uncertainty of DGT LA-ICP-MS mainly depends on the signal variability of the ablation analysis. The combined uncertainties determined in this study support the use of DGT as a monitoring instrument. It is expected that the analytical requirements of legal frameworks, for example, the EU Drinking Water Directive, are met by DGT sampling.

AB - Although the analytical performance of the diffusive gradients in thin films (DGT) technique is well investigated, there is no systematic analysis of the DGT measurement uncertainty and its sources. In this study we determine the uncertainties of bulk DGT measurements (not considering labile complexes) and of DGT-based chemical imaging using laser ablation - inductively coupled plasma mass spectrometry. We show that under well-controlled experimental conditions the relative combined uncertainties of bulk DGT measurements are ∼10% at a confidence interval of 95%. While several factors considerably contribute to the uncertainty of bulk DGT, the uncertainty of DGT LA-ICP-MS mainly depends on the signal variability of the ablation analysis. The combined uncertainties determined in this study support the use of DGT as a monitoring instrument. It is expected that the analytical requirements of legal frameworks, for example, the EU Drinking Water Directive, are met by DGT sampling.

U2 - 10.1021/es504533e

DO - 10.1021/es504533e

M3 - Journal article

VL - 49

SP - 1594

EP - 1602

JO - Environmental Science and Technology

JF - Environmental Science and Technology

SN - 0013-936X

IS - 3

ER -