Determination of Polychlorinated Biphenyls in Cerumen by GC-MS
- VernacularTitle:耵聍中多氯联苯的气相色谱-质谱测定法
- Author:
Shixi JIANG
;
Suxia YU
;
Jianrong CHAI
- Publication Type:Journal Article
- Keywords:
Polychlorinated biphenyls;
Cerumen;
Chromatography, gas
- From:
Journal of Environment and Health
1993;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To establish a method of GS-MS for determination of polychlorinated biphenyls (PCBs) in human cerumen. Methods The PCBs in cerumen samples was separated by n-hexane extraction, liquid-liquid extraction separation and column chromatography purification, then was analyzed quantitatively by gas chromatography and affirmed qualitatively by mass spectroscopy. Results The detection limit, average recovery rate and precision of this method were 0.15 ?g/g fat, 92.1% and 3.0%-4.6% (n=12) respectively. The contents of PCBs in 90 cerumen samples collected in polluted and control areas were detected. The levels(0.00-18.42 ?g/g fat) of PCBs in cerumen collected in polluted area were significantly higher than that in the control area(P
