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

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Identifiers

DOI

10.2478/s11532-009-0047-6