A liquid chromatography-tandem mass spectroscopy(LC-MS/MS)method was developed for analysis of carbonyl compounds in cigarette mainstream smoke.The cigarette smoke was collected using a Cambridge filter treated with a...A liquid chromatography-tandem mass spectroscopy(LC-MS/MS)method was developed for analysis of carbonyl compounds in cigarette mainstream smoke.The cigarette smoke was collected using a Cambridge filter treated with acidic solution of 2,4-dinitrophenylhydrazine,then extracted with acetonitrile.The extract was diluted with acetonitrile-water and analyzed by LC-MS/MS in negative electro-spray ionization mode.Formaldehyde,acetaldehyde,acetone,acrolein,propionaldehyde,methyl ethyl ketone,butyraldehyde and crotonaldehyde in mainstream cigarette smoke were analyzed with the recovery at the range of 83% to 103%.The minimum detectable quantity for the carbonyls ranged from 0.08 to 0.28 μg/L,and relative standard deviations were below 6%.This new method had higher selectivity and sensitivity compared to conventional methods.5 kinds of foreign and domestic cigarette were analyzed.展开更多
文摘A liquid chromatography-tandem mass spectroscopy(LC-MS/MS)method was developed for analysis of carbonyl compounds in cigarette mainstream smoke.The cigarette smoke was collected using a Cambridge filter treated with acidic solution of 2,4-dinitrophenylhydrazine,then extracted with acetonitrile.The extract was diluted with acetonitrile-water and analyzed by LC-MS/MS in negative electro-spray ionization mode.Formaldehyde,acetaldehyde,acetone,acrolein,propionaldehyde,methyl ethyl ketone,butyraldehyde and crotonaldehyde in mainstream cigarette smoke were analyzed with the recovery at the range of 83% to 103%.The minimum detectable quantity for the carbonyls ranged from 0.08 to 0.28 μg/L,and relative standard deviations were below 6%.This new method had higher selectivity and sensitivity compared to conventional methods.5 kinds of foreign and domestic cigarette were analyzed.
