环己烷存在下β-环糊精诱导西维因室温磷光  

Room-temperature Phosphorescence of Carbaryl Induced byβ-Cyclodextrin in the Presence of Cyclohexane

作　　者：鹿贞彬[1] 黄高凌[2] 朱亚先[1] 张勇[2] 

机构地区：[1]厦门大学化学系,福建厦门361005 [2]近海海洋环境科学国家重点实验室(厦门大学),厦门大学环境科学研究中心,福建厦门361005

出　　处：《分析测试学报》2005年第4期21-23,27,共4页Journal of Instrumental Analysis

基　　金：国家自然科学基金资助项目(20377035)

摘　　要：将环己烷(CH)引入β-环糊精(β-CD)诱导西维因(CBL)室温磷光(RTP)体系,由于CH和β-CD及CBL形成包络物,可观测到CBL强的RTP.研究了温度、pH值以及形成包络物的3种组分物质的浓度变化对这一体系RTP的影响,优化了实验条件,建立了CBL的RTP测定方法.实验结果表明,在2.0～20.0 μg/L质量浓度范围内,CBL的RTP强度和其浓度成正比,方法检出限达0.43μg/L,相对标准偏差小于1.50%(n=7).将该方法用于合成样品的分析,结果满意.An intensive room-temperature phosphorescence(RTP)of Carbaryl(CBL)was observed inβ-Cy-clodextrin(β-CD)aqueous solution in the presence of Cyclohexane(CH)due to the formation ofβ-CD/CBL/CHinclusion complexes.The effects oftemperature,pHvalues and the variation of concentrations ofeach com-ponent on RTP have been investigated.Under the optimal conditions,an analytical method for the determina-tion of CBL in synthetic samples was established.The correlation coefficient of the calibration curve of CBL was0.9943and the linear range was of2.0-20.0μg/L.The detection limit was0.43μg/L and the aver-age relative standard deviation was less than1.50%(n=7).

关 键 词：西维因 环己烷 包络物 室温磷光 

分 类 号：O657.39[理学—分析化学]