Calibration parameters for the passive sampling of organic UV filters by silicone; diffusion coefficients and silicone-water partition coefficients

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F19%3A00110359" target="_blank" >RIV/00216224:14310/19:00110359 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0045653519302991?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0045653519302991?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.chemosphere.2019.02.077" target="_blank" >10.1016/j.chemosphere.2019.02.077</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Calibration parameters for the passive sampling of organic UV filters by silicone; diffusion coefficients and silicone-water partition coefficients

Popis výsledku v původním jazyce

In recent years, organic ultraviolet filters (UVFs) received considerable attention as a group of emerging contaminants, including in Australia where the use of UVFs is particularly relevant. Passive sampling using polymers has become widely used for routine monitoring of chemicals in the aquatic environment. Application of passive samplers for monitoring chemicals in the water relies on calibration data such as chemical's polymer-water partition coefficient (K-pw) and diffusion coefficients in the sampling material (D-p), for understanding uptake and kinetic limitations. In the present study, K-pw and D-p for nine UVFs were estimated. K-pw values were determined in different water-polymer partition experiments where (1) a given mass of chemicals was dosed into the water and (2) into the polymer. Diffusion coefficients were determined using the stacking method. The estimated log K-pw and log D-p ranged from 2.9 to 6.4 L kg(-1) and -11.1 to -10.5 m(2)s(-1), respectively. The sufficient high D-p allows application of kinetic models that only consider water boundary-controlled uptake for converting silicone sampler uptake into an aqueous phase concentration using the presented K-pw.

Název v anglickém jazyce

Calibration parameters for the passive sampling of organic UV filters by silicone; diffusion coefficients and silicone-water partition coefficients

Popis výsledku anglicky

In recent years, organic ultraviolet filters (UVFs) received considerable attention as a group of emerging contaminants, including in Australia where the use of UVFs is particularly relevant. Passive sampling using polymers has become widely used for routine monitoring of chemicals in the aquatic environment. Application of passive samplers for monitoring chemicals in the water relies on calibration data such as chemical's polymer-water partition coefficient (K-pw) and diffusion coefficients in the sampling material (D-p), for understanding uptake and kinetic limitations. In the present study, K-pw and D-p for nine UVFs were estimated. K-pw values were determined in different water-polymer partition experiments where (1) a given mass of chemicals was dosed into the water and (2) into the polymer. Diffusion coefficients were determined using the stacking method. The estimated log K-pw and log D-p ranged from 2.9 to 6.4 L kg(-1) and -11.1 to -10.5 m(2)s(-1), respectively. The sufficient high D-p allows application of kinetic models that only consider water boundary-controlled uptake for converting silicone sampler uptake into an aqueous phase concentration using the presented K-pw.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10511 - Environmental sciences (social aspects to be 5.7)

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Chemosphere

ISSN

0045-6535

e-ISSN

1879-1298

Svazek periodika

223

Číslo periodika v rámci svazku

May

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

7

Strana od-do

731-737

Kód UT WoS článku

000465054600079

EID výsledku v databázi Scopus

2-s2.0-85062299648