Gas Chromatography에 依한 Coffee 中 不純物로 混入된 Nicotine의 分析法에 關한 硏究
A Study on the Determination of Nicotine in Contaminated Coffee by Gas Chromatography
공중보건잡지 1976년 13권 2호 p.375 ~ 379
최영아,
소속 상세정보
최영아 ( ) - 서울대학교 보건대학원
KMID : 0353019760130020375
Abstract
A study on micro-determination method for the nicotime contaminated in coffee was studied in view point of forensic chemistry.
For this purpose the nicotime was extracted from coffee with ether after application of steam distillation.
The residues were resolved in 1% β-Naphthol ethyl acetate as internal reference and dertermined by gas chromatography using thermal condustivity detector supported on 3% SE-30 or 10% OV-1column.
The nicotine in contaminated coffee could be detected at a limit of 0.04 mg in a cup of coffee (approx. 75 ml) and the average recoveries were 90.6% with 0.34 of standard deviation.
In the meantime the coffee was collected from 100 of coffee shops in Seoul area especially in crowded region and determined for nicotime as the same method.
As a result, the nicotine was not detected throughout the all samples on the basis of gas chromatographic sensitivity.
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