十四种电蚊香液主要成分及含量测定

Determination of Main Components and Content of Fourteen Kinds of Electric Mosquito-repellent Incense

对市面上常见的电蚊香液进行成分鉴定以判断是否存在添加非法组分并通过气相色谱质谱法采用SIM和保留时间确定待测组分中有效成分,利用气相色谱采用单点校正法对电蚊香液中有效成分进行定量鉴定。通过鉴定发现,市售的十四种常见电蚊香液中,均不存在非法添加组分,其中13种检出有效成分,1种未检出有效成分。检出有效成分的电蚊香液中10种含量与标称相符,3种不相符,标称合格率为71.4%。

The components of common electric liquid mosquito-repellent on the market were identified to determine whether illegal components were added.The active components in the components to be tested were determined by gas chromatography-mass spectrometry.The effective components in electric liquid mosquito-repellent were quantitatively identified by gas chromatography-mass spectrometry using single point correction method.Through identification,it was found that there was no illegally added component in 14 kinds of common liquid mosquito-repellent on the market,among which 13 kinds of active ingredient were detected,and 1 kind of active ingredient was not detected.The contents of 10 kinds of electric liquid mosquito-repellent with active ingredients were consistent with the nominal value,and 3 kinds were not.The nominal qualified rate was 71.4%.