Department of Zoology, Fisheries, Hydrobiology and Apiculture (FA) - list of publications


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VRANA, B. -- RUSINA, T. -- OKONSKI, K. -- PROKEŠ, R. -- CARLSSON, P. -- KOPP, R. -- SMEDES, F. Chasing equilibrium passive sampling of hydrophobic organic compounds in water. Science of the Total Environment. 2019. v. 664, no. 10 May, p. 424--435. ISSN 0048-9697. URL: https://doi.org/10.1016/j.scitotenv.2019.01.242

Original name: Chasing equilibrium passive sampling of hydrophobic organic compounds in water
Czech name:
Written by (author): Branislav Vrana
Tatsiana Rusina
Krzysztof Okonski
Roman Prokeš
Pernilla Carlsson
doc. Ing. Radovan Kopp, Ph.D.
Foppe Smedes
Department: Department of Zoology, Fisheries, Hydrobiology and Apiculture
Kind of publication: article in a professional periodical
Periodical: Science of the Total Environment
Nature of article: paper
Volume no. (year): 664
Periodical number within the volume: 10 May
Year of publication: 2019
Starting page: 424
Up to page: 435
Number of pages: 12
Sub-specification:
UT code by Web of Science:
EID code by Scopus:
Form of publication: printed version
Original language: English
Description in original language: We investigated a combination of approaches to extend the attainment of partition equilibria between silicone passive samplers (samplers) and surface or treated waste water towards more hydrophobic organic compounds (HOC). The aim was to identify the HOC hydrophobicity range for which silicone sampler equilibration in water is feasible within a reasonable sampler deployment period. Equilibrium partitioning of HOC between sampler and water is desirable for a simpler application as a "chemometer", aiming to compare chemical activity gradients across environmental media (e.g. water, sediment, biota). The tested approaches included a) long sampler exposure periods and high water flow to maximize mass transfer from water to sampler; b) the use of samplers with reduced sheet thicknesses; and c) pre-equilibration of samplers with local bottom sediment, followed by their exposure in surface water at the same sampling site. These approaches were tested at three sites including a fish pond with a low level of pollution, a river impacted by an urban agglomeration and an effluent of municipal wastewater treatment plant. Tested compounds included polychlorinated biphenyls (PCB), polycyclic aromatic hydrocarbons (PAH), DDT, its metabolites and their isomers, hexachlorobenzene (HCB) and polybrominated diphenyl ethers (PBDE). The study shows that samplers with a surface area of 400-800 cm2 consisting of thin (100-500 μm) silicone sheets exposed at sampling rates of 10-40 L dMINUS SIGN 1 for a time period of up to four months reach partition equilibrium with water for compounds with log Kow LESS-THAN OR EQUAL TO 5.5. Nevertheless, for compounds beyond this limit it is challenging, within a reasonable time period, to reach equilibrium between sampler and water in an open system where water boundary layer resistance controls the mass transfer. For more hydrophobic HOC (log Kow > 6), the kinetic method using performance reference compounds is recommended instead.
Description in English:
Description in Czech:
Year of submission: 2019
Year of transmission:
RIV identification number:
URL: https://doi.org/10.1016/j.scitotenv.2019.01.242
 
Entry made by: Markéta Hejčová, DiS.
Last change: 02/11/2019 07:22 (Markéta Hejčová, DiS.)

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Source specification:

Science of the Total Environment. Amsterdam: ISSN 0048-9697.

Original name: Science of the Total Environment
Czech name:
Written by (author):
Kind of publication: magazine
ISSN: 0048-9697
Country of publisher: Kingdom of the Netherlands
Place of publishing: Amsterdam
Publisher: Elsevier BV Radarweg 29, PO Box 211 Amsterdam, 1000 AE Netherlands Phone: 31-20-4853757
URL: http://www.elsevier.com/locate/scitotenv
Reviewed magazine: no
Original language: English
Description in original language:
Description in English:
Description in Czech:
 
Entry made by: prof. RNDr. Hana Dočekalová, CSc.
Last change: 01/24/2013 07:43 (Lenka Baláková)

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