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6 979 (0,094s) •

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Stir Bar Sorptive Extraction - New Approach for the Determination of Some Beer Flavours

. solid phase microextraction (SPME) or stir bar sorptive extraction (SBSE). This work using stir bar sorptive extraction. A commercially available small stir bar (10 and it is known as Twister. T...

CB - Analytická chemie, separace

  • 2008
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  • Jx
Result

Calibration of a passive sampler based on stir bar sorptive extraction for the monitoring of hydrophobic organic pollutants in water

A passive sampler based on stir bars coated with polydimethylsiloxane (PDMS and organochlorine pesticides, in water. Stir bar/water partition coefficients were measured of analytes between stir bars

CB - Analytická chemie, separace

  • 2016
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  • Jx
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  • Link
Result

Utilization of Stir Bar Sorption Extraction in Analysis of Some Beer Flavours and Its Comparison with Established Procedures

For the determination of beer flavours wellestablished methods require sample preparation by distillation, liquid-liquid extraction or headspace methods. In the past years, microextraction methods became popular. The stir bar sorpti...

CB - Analytická chemie, separace

  • 2011
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  • Jx
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  • Link
Result

Development of hybrid monoliths incorporating metal-organic frameworks for stir bar sorptive extraction coupled with liquid chromatography for determination of estrogen endocrine disruptors in water

) onto conventional Teflon-coated magnetic stir bars was developed. For this purpose, the external surface of the Teflon stir bar was firstly vinylized in order to immobilize estrogens by stir bar...

Pharmacology and pharmacy

  • 2022
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  • Jimp
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  • Link
Result

Stirred disintegration unit

A stirred disintegration unit was designed to evaluate the impact of the temperature and the pressure on the disintegration of sewage sludge particles. The pressure should be change in the range from 0 to 8 bars and the temperature ...

JP - Průmyslové procesy a zpracování

  • 2009
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  • Gfunk
Result

Possibilities of utilization of modern sample preparation methods for gas chromatographic analysis of beverages and especially beer. Part II. ? Stir bar sorptive extraction

Stir bar sorptive extraction takes an important role in modern sample preparation procedures. This method is used mainly for the extraction of volatile and semi-volatile organic compounds from aqueous samples. This review is focused...

CB - Analytická chemie, separace

  • 2010
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  • Jx
Result

Determination of Some Beer Flavours by Stir Bar Sorptive Extraction and Solvent Back Extraction

The work presents the development of a simple, rapid and low cost method for the determination of some beer flavours as esters like isoamyl acetate, ethyl caproate, ethyl caprylate, phenyl acetate, ethyl caprate, phenylethyl acetate, ethyl laurate, e...

CB - Analytická chemie, separace

  • 2007
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  • Jx
Result

Possibilities of utilization of modern sample preparation methods for gas chromatographic analysis of beverages and especially beer. Part III. ? Solid-phase microextraction and stir bar sorptive

Solid-phase microextraction (SPME) and stir bar sorptive extraction (SBSE) are modern and simple sample preparation procedures. This study is focused on utilization of these techniques for the determination of fatty acids in beer. W...

CB - Analytická chemie, separace

  • 2010
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  • Jx
Result

Analysis of selected esters in beer: Comparison of solid-phase microextraction and stir bar sorptive extraction

Esters represent one of the most important flavour groups in beer. The aim of this work is focused on the comparison of two optimized, simple, rapid and low cost methods ? solid-phase microextraction and stir bar sorptive extraction...

CB - Analytická chemie, separace

  • 2010
    • •
  • Jx
Result

Determination of Selected Beer Flavours: Comparison of a Stir Bar Sorptive Extraction and a Steam Distillation Procedure

The aim of this work was focused on the comparison of two sample preparation procedures ? a stir bar sorptive extraction (SBSE) followed by solvent back extraction and a well-established distillation method followed by liquid/liquid...

CB - Analytická chemie, separace

  • 2011
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  • Jx
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  • Link
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