Calibration of polydimethylsiloxane and XAD-Pocket passive air samplers (PAS) for measuring gas- and particle-phase SVOCs
| Autor: | Jana Klánová, Jiping Zhu, Foppe Smedes, Amandeep Saini, Miriam L. Diamond, Joseph O. Okeme, Congqiao Yang |
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| Rok vydání: | 2016 |
| Předmět: |
Atmospheric Science
Analyte Chromatography 010504 meteorology & atmospheric sciences Polydimethylsiloxane Chemistry Airflow 010501 environmental sciences 01 natural sciences Styrene chemistry.chemical_compound Polybrominated diphenyl ethers 13. Climate action Phase (matter) Environmental chemistry Calibration Particle 0105 earth and related environmental sciences General Environmental Science |
| Zdroj: | Atmospheric Environment. 143:202-208 |
| ISSN: | 1352-2310 |
| DOI: | 10.1016/j.atmosenv.2016.08.023 |
| Popis: | Polydimethylsiloxane (PDMS) has seen wide use as the stationary phase of gas chromatographic columns, a passive sampler in water, and recently as a personal exposure sampler, while styrene divinyl-benzene copolymer (XAD) has been used extensively as a passive air sampler outdoors and indoors. We have introduced PDMS and XAD-Pocket as new indoor passive air samplers (PASs). The XAD-Pocket was designed to maximize the surface area-to-volume ratio of XAD and to minimize obstruction of air flow by the sampler housing. Methods were developed to expedite the use of these PASs for measuring phthalates, novel brominated flame-retardants (NFRs) and polybrominated diphenyl ethers (PBDEs) indoors. Sampling rates, R s, (m 3 day −1 ), were measured during a 7-week calibration study. Variability within and between analyte groups was not statistically significant. As a result, generic values of 0.8 ± 0.4 and 0.5 ± 0.3 m 3 day −1 dm −2 are recommended for PDMS and XAD-Pocket for a 50-day deployment time, respectively. PDMS has a higher uptake rate and is easier to use than XAD-Pocket. |
| Databáze: | OpenAIRE |
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