New SPME fibre for analysis of mequinol emitted from DVDs
-
Magdalena Palacz
and
Wiesław Wasiak
Abstract
A piece of fused-silica fibre coated with silica modified with ketamine-groups was used as a solidphase microextraction (SPME) fibre and its efficiency in the qualitative and quantitative analysis of volatile organic compounds released from coloured overprinting on DVDs was evaluated. The effect of the parameters that can affect the SPME procedure, such as extraction time, extraction temperature, desorption temperature, was investigated to determine the analytical performance of this novel fibre in the qualitative and quantitative analyses of organic compounds. The optimised procedure was applied to the qualitative and quantitative analyses of organic compounds released from coloured overprinting on DVDs. The limit of detection of 4-methoxyphenol (mequinol) was 88 × 10−3 μg mL−1, while the limit of quantification (LOQ) was calculated as ten times the baseline noise, i.e. 3.1 × 10−1 μg mL−1. The proposed fibre was used successfully for preconcentration of the volatile organic compounds from the gaseous phase of DVD samples.
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© 2011 Institute of Chemistry, Slovak Academy of Sciences
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- Mechanisms controlling lipid accumulation and polyunsaturated fatty acid synthesis in oleaginous fungi
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- The effect of the physical properties of the liquid phase on the gas-liquid mass transfer coefficient in two- and three-phase agitated systems
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- Carnauba wax microparticles produced by melt dispersion technique
- Complexation studies of 3-substituted β-diketones with selected d- and f-metal ions
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Articles in the same Issue
- Mechanisms controlling lipid accumulation and polyunsaturated fatty acid synthesis in oleaginous fungi
- Predicting retention indices of aliphatic hydrocarbons on stationary phases modified with metallocyclams using quantitative structure-retention relationships
- New SPME fibre for analysis of mequinol emitted from DVDs
- Continuous production of citric acid from raw glycerol by Yarrowia lipolytica in cell recycle cultivation
- Enhancing the production of gamma-linolenic acid in Hansenula polymorpha by fed-batch fermentation using response surface methodology
- Process characteristics for a gas—liquid system agitated in a vessel equipped with a turbine impeller and tubular baffles
- Kinetic study of pyrolysis of waste water treatment plant sludge
- Transport phenomena in an agitated vessel with an eccentrically located impeller
- Membrane extraction of 1-phenylethanol from fermentation solution
- Theoretical study on transesterification in a combined process consisting of a reactive distillation column and a pervaporation unit
- Wall effects on terminal falling velocity of spherical particles moving in a Carreau model fluid
- The effect of the physical properties of the liquid phase on the gas-liquid mass transfer coefficient in two- and three-phase agitated systems
- Effectiveness of nitric oxide ozonation
- Modelling of nanocrystalline iron nitriding process — influence of specific surface area
- Effect of CeO2 and Sb2O3 on the phase transformation and optical properties of photostable titanium dioxide
- Carnauba wax microparticles produced by melt dispersion technique
- Complexation studies of 3-substituted β-diketones with selected d- and f-metal ions
- Influence of the solvent donor number on the O/W partition ratio of Cu(II) complexes of 1,2-dialkylimidazoles
- Continuous dialysis of sulphuric acid in the presence of zinc sulphate
- Differences in affinity of arylstilbazolium derivatives to tetraplex structures
- Fast ferritin immunoassay on PDMS microchips
