摘要
A method of microwave-assisted extraction and gas chromatography for determination of trace phenol in water was established.The conditions of microwave extraction and derivation were optimized.Acetone-cyclohexane(1∶1) mixture was used as extracting agent for water sample containing phenol and acetic anhydride was employed for the direct acetylation of phenol.Petroleum ether was used as the extracting agent to extract the derivative of phenol.Detection was carried out in GC-FID equipped with DB-17(30 m×0.53 mm×1.0 μm) capillary column.The detection limit of the proposed method was found to be 0.01μg.L-1.Recoveries were in the range of 86.8%～99.2% with RSD of 4.2%.This method has proved to be high sensitive,efficient and accurate.
A method of microwave-assisted extraction and gas chromatography for determination of trace phenol in water was established. The conditions of microwave extraction and derivation were optimized. Acetone-cyclohexane （ 1 ： 1 ） mixture was used as extracting agent for water sample containing phenol and acetic anhydride was employed for the direct acetylation of phenol. Petroleum ether was used as the extracting agent to extract the derivative of phenol. Detection was carried out in GC - FID equipped with DB-17 （30 m × 0.53 mm × 1.0 μm） capillary column. The detection limit of the proposed method was found to be 0.01 μg. L^-1. Recoveries were in the range of 86.8% -99.2% with RSD of 4.2%. This method has proved to be high sensitive, efficient and accurate.
出处
《化学研究与应用》
CAS
CSCD
北大核心
2009年第7期1067-1069,共3页
Chemical Research and Application
基金
湖南省科技厅项目(2007FJ4156)
关键词
气相色谱法
微波萃取
苯酚
Gas chromatography
Microwave-assisted extraction
Phenol
