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在环糊精诱导室温燐光法(CD-RTP)中,常用的重原子为链状卤代烷烃如1,2-二溴乙烷、1.2-二溴丙烷等。本文首次在7-甲基喹啉的β-CD-RTP 分析中应用了溴代环已烷作重原子,体系可不经除氧直接进行 RTP 测定。7-甲基喹啉的分析线性范围、检出限、相对标准偏差均与常规的以1,2-二溴丙烷为重原子的 CD-RTP 测定法相当,而后一种方法必须采用通氮除氧操作。
In cyclodextrin-induced room temperature calendering (CD-RTP), the commonly used heavy atoms are chain halogenated alkanes such as 1,2-dibromoethane, 1,2-dibromopropane and the like. In this work, bromocyclohexane was used as a heavy atom for the β-CD-RTP analysis of 7-methylquinoline for the first time. The system can be used for RTP determination directly without deoxygenation. The analytical linear range, the detection limit, and the relative standard deviation for 7-methylquinoline are comparable to the conventional CD-RTP assay using 1,2-dibromopropane as a heavy atom, whereas the latter method must employ a nitrogen removal Oxygen operation.