CAJ | 학술논문

以气相色谱-质谱法(GC-MS)分析并结合外标法,定量测定了2009年4月—2010年2月6个航次桑沟湾海域水体和沉积物中常见的8种有机磷农药,探讨了该海域有机磷农药组成以及时空分布特征.结果表明:桑沟湾水体中共检出有机磷农药6种,其中甲基对硫磷、马拉硫磷和对硫磷等3种有机磷农药在各航次均有检出.沉积物中有机磷农药含量的水平分布呈现由湾口向湾内海域逐渐降低的趋势.该海域水体中有机磷农药含量呈现10月份较高,4月、6月和8月份次之,12月和 2月份最低的月份分布特征.与国内外类似水体相比,桑沟湾海域中总有机磷农药含量处于轻度污染水平,甲基对硫磷、马拉硫磷等单组分含量也处于较低水平.
이기상색보-질보법(GC-MS)분석병결합외표법,정량측정료2009년4월—2010년2월6개항차상구만해역수체화침적물중상견적8충유궤린농약,탐토료해해역유궤린농약조성이급시공분포특정.결과표명:상구만수체중공검출유궤린농약6충,기중갑기대류린、마랍류린화대류린등3충유궤린농약재각항차균유검출.침적물중유궤린농약함량적수평분포정현유만구향만내해역축점강저적추세.해해역수체중유궤린농약함량정현10월빈교고,4월、6월화8월빈차지,12월화 2월빈최저적월빈분포특정.여국내외유사수체상비,상구만해역중총유궤린농약함량처우경도오염수평,갑기대류린、마랍류린등단조분함량야처우교저수평.
Six cruises were completed in the period from April 2009 to February 2010 to investigate the concentra-tions of eight Organophosphorus pesticides (OPPs) in Sanggou Bay. With GC-MS with external standard quantita-tive method, the temporal and spatial distributions and the composition of OPPs were analyzed. The results showed that six compounds of OPPs in seawater from the Sanggou Bay were detected, and methyl-parathion, malathion and parathion were detected in every cruise. The horizontal distribution of OPPs in the sediment showed that the con-centration decreased gradually from bay mouth to inner area. The seasonal distribution of OPPs showed that the concentration of OPPs reached its maximum in October, and was the intermediate level in April, June and August, and hit lowest level in December and February. Compared with other waters at home and abroad, the total concen-tration of OPPs was at the lower level in Sanggou Bay, and the concentration of OPPs such as methyl-parathion, malathion was also at the lower level.