Determination of Hg concentration in gases by PIXE

E. Dutkiewicz; W. J.P. van Kuijen; F. Munnik; P.H.A. Mutsaers; E. Rokita; M.J.A. de Voigt

doi:10.1016/0168-583X(92)96099-K

Determination of Hg concentration in gases by PIXE

E. Dutkiewicz, W. J.P. van Kuijen, F. Munnik, P.H.A. Mutsaers, E. Rokita, M.J.A. de Voigt

Coherence and Quantum Technology

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

A method for determination of the concentration of mercury in the gaseous phase is described. In the first step of the method a stable sulphur-mercury complex is formed. For this purpose sulphur is deposited on a filter and the investigated gas flows through the filter. Millipore filters and the deposition of sulphur from Na₂S₂O₃ * 5H₂O solution were found to be most suitable. The amount of Hg absorbed on the filter was determined by PIXE or by NAA in the second step of the method. An optimization of proton energy was performed in the PIXE analysis to obtain the maximal signal-to-background ratio. The detection limit of the method, expressed as the minimal amount of Hg which has to flow through the filter equals to 30 and 2 ng for PIXE and NAA techniques, respectively. Applications of the method are also described.

Original language	English
Pages (from-to)	305-308
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research. Section B: Beam Interactions with Materials and Atoms
Volume	68
Issue number	1-4
DOIs	https://doi.org/10.1016/0168-583X(92)96099-K
Publication status	Published - 2 May 1992

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title = "Determination of Hg concentration in gases by PIXE",

abstract = "A method for determination of the concentration of mercury in the gaseous phase is described. In the first step of the method a stable sulphur-mercury complex is formed. For this purpose sulphur is deposited on a filter and the investigated gas flows through the filter. Millipore filters and the deposition of sulphur from Na2S2O3 * 5H2O solution were found to be most suitable. The amount of Hg absorbed on the filter was determined by PIXE or by NAA in the second step of the method. An optimization of proton energy was performed in the PIXE analysis to obtain the maximal signal-to-background ratio. The detection limit of the method, expressed as the minimal amount of Hg which has to flow through the filter equals to 30 and 2 ng for PIXE and NAA techniques, respectively. Applications of the method are also described.",

author = "E. Dutkiewicz and {van Kuijen}, {W. J.P.} and F. Munnik and P.H.A. Mutsaers and E. Rokita and {de Voigt}, M.J.A.",

year = "1992",

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T1 - Determination of Hg concentration in gases by PIXE

AU - Dutkiewicz, E.

AU - van Kuijen, W. J.P.

AU - Munnik, F.

AU - Mutsaers, P.H.A.

AU - Rokita, E.

AU - de Voigt, M.J.A.

PY - 1992/5/2

Y1 - 1992/5/2

N2 - A method for determination of the concentration of mercury in the gaseous phase is described. In the first step of the method a stable sulphur-mercury complex is formed. For this purpose sulphur is deposited on a filter and the investigated gas flows through the filter. Millipore filters and the deposition of sulphur from Na2S2O3 * 5H2O solution were found to be most suitable. The amount of Hg absorbed on the filter was determined by PIXE or by NAA in the second step of the method. An optimization of proton energy was performed in the PIXE analysis to obtain the maximal signal-to-background ratio. The detection limit of the method, expressed as the minimal amount of Hg which has to flow through the filter equals to 30 and 2 ng for PIXE and NAA techniques, respectively. Applications of the method are also described.

AB - A method for determination of the concentration of mercury in the gaseous phase is described. In the first step of the method a stable sulphur-mercury complex is formed. For this purpose sulphur is deposited on a filter and the investigated gas flows through the filter. Millipore filters and the deposition of sulphur from Na2S2O3 * 5H2O solution were found to be most suitable. The amount of Hg absorbed on the filter was determined by PIXE or by NAA in the second step of the method. An optimization of proton energy was performed in the PIXE analysis to obtain the maximal signal-to-background ratio. The detection limit of the method, expressed as the minimal amount of Hg which has to flow through the filter equals to 30 and 2 ng for PIXE and NAA techniques, respectively. Applications of the method are also described.

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IS - 1-4

ER -

Determination of Hg concentration in gases by PIXE

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