NDLI: Development of a New Dynamic Headspace Liquid-Phase Microextraction Method

Content Provider	Springer Nature Link
Author	Farajzadeh, Mir Ali Nassiry, Parinaz Afshar Mogaddam, Mohammad Reza
Copyright Year	2016
Abstract	A new technique, namely dynamic headspace liquid-phase microextraction, has been developed for the extraction of 1,4-dioxane in cosmetic and hygiene samples followed by gas chromatography–flame ionization detection. In this method, the sample is mixed with acetone as a diluent solvent. Then, a few microliters of n-octanol are added into a home-made extraction vessel placed in the headspace of the sample. By heating, the target analyte is transferred to the headspace of the sample and then extracted into n-octanol. Under the optimized conditions, the method showed a good linearity in the range of 3.24–1000 μg kg−1 with a coefficient of determination 0.998. Figures of merit such as enrichment factor of 375, extraction recovery of 94 %, limits of detection and quantification 0.97 and 3.24 μg kg−1, respectively, and relative standard deviation 4.7 % (n = 6, C = 30 μg kg−1) of the proposed method were satisfactory for determination of the target analyte. Finally, the method was successfully applied in determination of 1,4-dioxane in various cosmetic and hygiene samples including shampoo, toothpaste, lotion, washing liquid, and dishwashing liquid.
Starting Page	773
Ending Page	779
Page Count	7
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	79
Issue Number	11-12
e-ISSN	16121112
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-05-12
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Gas chromatography Dynamic headspace liquid-phase microextraction 1,4-Dioxane Cosmetic and hygiene samples Chromatography Proteomics Pharmacy Laboratory Medicine
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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