Hollow fibre liquid phase microextraction of parabens

• Authors: Aleksandra Prichodko , Kristina Jonusaite , Vida Vickackaite
• Languages of publication: EN

Abstracts

EN

A hollow fibre liquid phase microextraction for gas chromatographic determination of some p-hydroxybenzoic acid esters has been developed. Chlorobenzene containing tetradecane as internal standard was used for the extraction. Optimized extraction was carried out at room temperature for 40 min in the presence of 0.4 g mL−1 NaCl in the sample solution. Calibration was linear up to 30 mg L−1. Correlation coefficients were 0.996–0.998. Enrichment factors were 21, 95 and 154, and detection limits were 0.20, 0.03 and 0.01 μg mL−1 for methylparaben, ethylparaben and propylparaben, respectively. Reproducibility was acceptable with relative standard deviations up to 11.7%. The technique was tested for water and urine analysis. [...]

Keywords

EN

Hollow fibre liquid phase microextraction; Gas chromatography; Parabens

• Publisher: De Gruyter Open
• Journal: Open Chemistry
• Year: 2009
• Volume: 7
• Issue: 3
• Pages: 285-290

Dates

published

1 - 9 - 2009

online

21 - 6 - 2009

Contributors

author

Aleksandra Prichodko

• Department of Analytical and Environmental Chemistry, Vilnius University, LT-03225, Vilnius, Lithuania

author

Kristina Jonusaite

• Department of Analytical and Environmental Chemistry, Vilnius University, LT-03225, Vilnius, Lithuania

author

Vida Vickackaite

• Department of Analytical and Environmental Chemistry, Vilnius University, LT-03225, Vilnius, Lithuania

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Identifiers

DOI

10.2478/s11532-009-0047-6