Performance optimisation of a passive sampler for monitoring hydrophobic organic pollutants in water

Bran Vrana; Graham Mills; Richard Greenwood; J. Knutsson; K. Svensson; G. Morrison

doi:10.1039/B419070J

Performance optimisation of a passive sampler for monitoring hydrophobic organic pollutants in water

Bran Vrana, Graham Mills, Richard Greenwood, J. Knutsson, K. Svensson, G. Morrison

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

Abstract

The performance of an integrative passive sampler that consists of a C18 Empore disk sorbent receiving phase fitted with low density polyethylene membrane was optimised for the measurement of time-weighted average concentrations of hydrophobic micropollutants in water. A substantial improvement of sampling characteristics including the rate of sampling and the sampling precision was achieved by decreasing the internal sampler resistance to mass transfer of hydrophobic organic chemicals. This was achieved by adding a small volume of n-octanol, a solvent with high permeability (solubility × diffusivity) for target analytes, to the interstial space between the receiving sorbent phase and the polyethylene diffusion-limiting membrane.

Original language	English
Pages (from-to)	612-620
Number of pages	9
Journal	Journal of Environmental Monitoring
Volume	7
Issue number	6
DOIs	https://doi.org/10.1039/B419070J
Publication status	Published - 2005

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abstract = "The performance of an integrative passive sampler that consists of a C18 Empore disk sorbent receiving phase fitted with low density polyethylene membrane was optimised for the measurement of time-weighted average concentrations of hydrophobic micropollutants in water. A substantial improvement of sampling characteristics including the rate of sampling and the sampling precision was achieved by decreasing the internal sampler resistance to mass transfer of hydrophobic organic chemicals. This was achieved by adding a small volume of n-octanol, a solvent with high permeability (solubility × diffusivity) for target analytes, to the interstial space between the receiving sorbent phase and the polyethylene diffusion-limiting membrane.",

author = "Bran Vrana and Graham Mills and Richard Greenwood and J. Knutsson and K. Svensson and G. Morrison",

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AU - Vrana, Bran

AU - Mills, Graham

AU - Greenwood, Richard

AU - Knutsson, J.

AU - Svensson, K.

AU - Morrison, G.

PY - 2005

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AB - The performance of an integrative passive sampler that consists of a C18 Empore disk sorbent receiving phase fitted with low density polyethylene membrane was optimised for the measurement of time-weighted average concentrations of hydrophobic micropollutants in water. A substantial improvement of sampling characteristics including the rate of sampling and the sampling precision was achieved by decreasing the internal sampler resistance to mass transfer of hydrophobic organic chemicals. This was achieved by adding a small volume of n-octanol, a solvent with high permeability (solubility × diffusivity) for target analytes, to the interstial space between the receiving sorbent phase and the polyethylene diffusion-limiting membrane.

U2 - 10.1039/B419070J

DO - 10.1039/B419070J

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VL - 7

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EP - 620

JO - Journal of Environmental Monitoring

JF - Journal of Environmental Monitoring

IS - 6

ER -

Performance optimisation of a passive sampler for monitoring hydrophobic organic pollutants in water

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