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HS-SPME for the Determination of Phthalate Esters in Vegetable Oil and Soft Drink Samples


Paper Type 
Contributed Paper
Title 
HS-SPME for the Determination of Phthalate Esters in Vegetable Oil and Soft Drink Samples
Author 
Sutthirak Uansiri, Jitlada Vichapong and Wanna Kanchanamayoon*
Email 
wanna.s@msu.ac.th
Abstract:
A simple and environmental friendly method using headspace solid-phase microextraction (HS-SPME) determination of four phthalate esters in vegetable oil and soft drink samples were investigated. The extraction temperature, extraction time and desorption time were evaluated by comparing two types of commercial SPME fibers; polydimethylsiloxane/divinylbenzene (PDMS/DVB) fiber and polyethylene glycol (PEG) fiber. The PDMS/DVB fiber showed better response than PEG fiber. The linearity, limit of detection, repeatability and reproducibility were validated. The enrichment factor (EF) for oil samples and soft drink samples were in the range of 11-17, 37-848, respectively. The percentage recoveries by spiking samples with standard solution were also examined, the result found in the range of 84.5-102.1 % with the RSD less than 10 %. The proposed method was successfully applied for trace analysis of four phthalate esters in vegetable oil and soft drink samples.
Start & End Page 
1052 - 1061
Received Date 
2016-09-15
Revised Date 
Accepted Date 
2017-02-21
Full Text 
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Keyword 
Headspace solid-phase microextraction, sample preparation, gas chromatography, vegetable oil, soft drink
Volume 
Vol.45 No.2 (March 2018)
DOI 
Citation 
Uansiri S., Vichapong J. and Kanchanamayoon W., HS-SPME for the Determination of Phthalate Esters in Vegetable Oil and Soft Drink Samples, Chiang Mai J. Sci., 2018; 45(2): 1052-1061.
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Chiang Mai Journal of Science

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