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대기 및 수질 중 브롬화 난연제 분석법에 관한 연구

Analytical Method for Brominated Flame Retardants in Ambient Air and Water

김혁|김동훈|정인영|김상민|박유미|이두희|김일규|박상아|도영선
한국환경분석학회 (The Korean Society For Environmental Analysis)|2017.12|환경분석과 독성보건 (JOURNAL OF ENVIRONMENTAL ANALYSIS, HEALTH AND TOXICOLOGY)|제20권 제4호|pp. 252-265

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키워드

POPsBrominated flame retardantsHexabromocyclododecaneDeca-bromodiphenyl etherStockholm convention

초록

The purposes of this study were to improve the standard analytical method for decabromodiphenyl ether (deca-DBE) and investigate the concentrations of brominated flame retardants such as the hexabromocyclododecanes (HBCDs) and deca-DBE in water (n=8) and ambient air (n=6). The HBCDs were pretreated via hydrophilic-lipophilic balanced solid-phase extraction and analyzed by LC/MS/MS, affording limit of quantification (LOQ) values of 0.22~0.44 ng/L and 0.24~0.85 pg/m3 in water and air, respectively. In air, the concentration of HBCDs, among which the γ-isomer was the most prominent, ranged from <LOQ to 505.35 pg/ m3 as the median value. In contrast, HBCDs were not observed below the detection limit in water at any sampling site. Deca-BDE was extracted by liquid-liquid extraction of the water samples or Soxhlet extraction of the air samples, and subsequently analyzed by HRGC/HRMS after purification through a multi-layer silica gel column. The LOQs for deca-BDE were 1.32 ng/L and 2.5 pg/m3 in water and air, respectively, and its concentrations ranged from <LOQ to 10.3 ng/L in water and 21.4 to 87.1 pg/m3 (median) in air. Through this study, we found that the levels of HBCDs and deca-BDE in air and water in Korea are lower or similar to those of other countries

Abstract

The purposes of this study were to improve the standard analytical method for decabromodiphenyl ether (deca-DBE) and investigate the concentrations of brominated flame retardants such as the hexabromocyclododecanes (HBCDs) and deca-DBE in water (n=8) and ambient air (n=6). The HBCDs were pretreated via hydrophilic-lipophilic balanced solid-phase extraction and analyzed by LC/MS/MS, affording limit of quantification (LOQ) values of 0.22~0.44 ng/L and 0.24~0.85 pg/m3 in water and air, respectively. In air, the concentration of HBCDs, among which the γ-isomer was the most prominent, ranged from <LOQ to 505.35 pg/ m3 as the median value. In contrast, HBCDs were not observed below the detection limit in water at any sampling site. Deca-BDE was extracted by liquid-liquid extraction of the water samples or Soxhlet extraction of the air samples, and subsequently analyzed by HRGC/HRMS after purification through a multi-layer silica gel column. The LOQs for deca-BDE were 1.32 ng/L and 2.5 pg/m3 in water and air, respectively, and its concentrations ranged from <LOQ to 10.3 ng/L in water and 21.4 to 87.1 pg/m3 (median) in air. Through this study, we found that the levels of HBCDs and deca-BDE in air and water in Korea are lower or similar to those of other countries

참고문헌 (39)

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