干旱环境监测
榦旱環境鑑測
간한배경감측
ARID ENVIRONMENTAL MONITORING
2013年
3期
99-103,130
,共6页
水%固相萃取%半挥发性有机物
水%固相萃取%半揮髮性有機物
수%고상췌취%반휘발성유궤물
water%SPE%SVOCs
应用美国J2自动固相萃取仪富集24种半挥发性有机物,用GC-MS定性定量分析。研究了3种固相萃取柱、pH值、洗脱溶剂种类对回收率的影响,并优化萃取条件。结果表明,不同种类C18柱对24种半挥发有机物萃取程度不同,ENVI-C18柱对2,4-二氯苯酚、硝基氯苯、2,4,6-三氯苯酚等11种化合物具有较好的选择性,低、中、高3个浓度的回收率为62.0%~114.0%,该方法适合检测地表水和地下水中痕量的上述11种半挥发性有机物。
應用美國J2自動固相萃取儀富集24種半揮髮性有機物,用GC-MS定性定量分析。研究瞭3種固相萃取柱、pH值、洗脫溶劑種類對迴收率的影響,併優化萃取條件。結果錶明,不同種類C18柱對24種半揮髮有機物萃取程度不同,ENVI-C18柱對2,4-二氯苯酚、硝基氯苯、2,4,6-三氯苯酚等11種化閤物具有較好的選擇性,低、中、高3箇濃度的迴收率為62.0%~114.0%,該方法適閤檢測地錶水和地下水中痕量的上述11種半揮髮性有機物。
응용미국J2자동고상췌취의부집24충반휘발성유궤물,용GC-MS정성정량분석。연구료3충고상췌취주、pH치、세탈용제충류대회수솔적영향,병우화췌취조건。결과표명,불동충류C18주대24충반휘발유궤물췌취정도불동,ENVI-C18주대2,4-이록분분、초기록분、2,4,6-삼록분분등11충화합물구유교호적선택성,저、중、고3개농도적회수솔위62.0%~114.0%,해방법괄합검측지표수화지하수중흔량적상술11충반휘발성유궤물。
The 24 semi -volatility organic compounds , including nitrobenzene , nitryl chlorobenzenes , dinitrobenzene , phenolic compounds ,phthalates ,were absorbed by ASPE and verified by the qualitative and quantitative analysis of GC/MS .Three types of different SPE columns ,pH and elution solvents on the recovery of the SVOCs were studied and the conditions of SPE were optimized . The results which indicated that ENVI-C18 column had a good selectivity for phenolic compounds ,nitryl chlorobenzenes ,2 ,4 ,6-trichlorophenol and the other 11 compounds .The recovery of low ,middle and high concentration was 62 .0% ~114 .0% .The method was applicable to analysis of 11 trace SVOCs in surface water and ground water .