나이별 소나무 잎에 침착된 대기 중 폴리브롬화디페닐에테르 특성
Characteristics of Atmospheric Polybrominated Diphenyl Ethers (PBDEs) Deposited on Pine Needles by Age
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초록
Objectives: Pine needles are used as passive air samplers (PAS) of atmospheric persistent organic pollutants(POPs). This study was carried out in order to investigate whether pine needles can also be used as a PAS ofpolybrominated diphenyl ethers (PBDEs). Methods: PBDEs in one to three year-old pine needles were analyzed with HRGC/HRMS. Results: PBDEs in the atmosphere were accumulated in the pine needles. The rate of increase in concentrationof lower substituted PBDEs (tri- through hepta-) in pine needles was linear. The rate of increase of the highersubstituted PBDEs (octa- through deca-) was also liner, but only up to two year-old pine needles. Theconcentration did not increase further in older pine needles. Conclusion: Therefore, it can be concluded that young pine needles, those that are two years old or less, arerecommended for use as PAS of atmospheric PBDEs.
Abstract
Objectives: Pine needles are used as passive air samplers (PAS) of atmospheric persistent organic pollutants(POPs). This study was carried out in order to investigate whether pine needles can also be used as a PAS ofpolybrominated diphenyl ethers (PBDEs). Methods: PBDEs in one to three year-old pine needles were analyzed with HRGC/HRMS. Results: PBDEs in the atmosphere were accumulated in the pine needles. The rate of increase in concentrationof lower substituted PBDEs (tri- through hepta-) in pine needles was linear. The rate of increase of the highersubstituted PBDEs (octa- through deca-) was also liner, but only up to two year-old pine needles. Theconcentration did not increase further in older pine needles. Conclusion: Therefore, it can be concluded that young pine needles, those that are two years old or less, arerecommended for use as PAS of atmospheric PBDEs.
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