Search Results - "Holadová, Katerina"

Headspace solid-phase microextraction of phthalic acid esters from vegetable oil employing solvent based matrix modification by Holadová, Kateřina, Prokůpková, Gabriela, Hajšlová, Jana, Poustka, Jan

“…A new solvent-free analytical procedure based on headspace solid-phase microextraction (SPME) coupled to gas chromatography employing an electron capture…”
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Aroma profiles of five basil ( Ocimum basilicum L.) cultivars grown under conventional and organic conditions by Klimánková, Eva, Holadová, Kateřina, Hajšlová, Jana, Čajka, Tomáš, Poustka, Jan, Koudela, Martin

“…A headspace solid-phase microextraction (HS-SPME) method coupled to gas chromatography–ion trap mass spectrometry (GC–ITMS) has been developed and applied for…”
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Direct determination of acrylamide in food by gas chromatography–high-resolution time-of-flight mass spectrometry by DUNOVSKA, Lenka, CAJKA, Tomas, HAJSLOVA, Jana, HOLADOVA, Katerina

“…Simple and rapid gas chromatographic (GC) method employing a high-resolution time-of-flight mass analyzer that enables direct analysis (no derivatization) of…”
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Solid phase microextraction-comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry for the analysis of honey volatiles by Čajka, Tomáš, Hajšlová, Jana, Cochran, Jack, Holadová, Kateřina, Klimánková, Eva

“…Head‐space solid phase microextration (SPME), followed by comprehensive two‐dimensional gas chromatography–time‐of‐flight mass spectrometry (GC×GC–TOFMS), has…”
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Stability of pesticides in plant extracts used as calibrants in the gas chromatographic analysis of residues by Kocourek, Vladimir, Hajšlová, Jana, Holadová, Katerina, Poustka, Jan

“…The stability of commonly used pesticides in plant sample extracts was evaluated. Matrices differing in the character of coextracts were represented by wheat,…”
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Development of a solid-phase microextraction method for the determination of phthalic acid esters in water by Prokůpková, Gabriela, Holadová, Kateřina, Poustka, Jan, Hajšlová, Jana

“…Solid-phase microextraction method (SPME) coupled to GC/ECD has been developed and validated for the determination of phthalic acid esters (dimethyl-,…”
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Determination and occurrence of bisphenol A, bisphenol A diglycidyl ether, and bisphenol F diglycidyl ether, including their derivatives, in canned foodstuffs' from the Czech retail market by Poustka, Jan, Dunovská, Lenka, Hajšlová, Jana, Holadová, Kateřina, Poustková, Ivana

“…A several-year survey (2000–2006) documents a continuing occurrence of bisphenol A (BPA), bisphenol A diglycidyl ether (BADGE), and bisphenol F diglycidyl…”
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Application of supercritical fluid extraction in multi-residue pesticide analysis of plant matrices by POUSTKA, Jan, HOLADOVA, Katerina, HAJSOVA, Jana

“…Sample preparation based on selective supercritical fluid extraction (SFE) prior to gas chromatographic (GC) analysis of several groups of pesticides…”
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Polychlorinated biphenyls and other persistent chlorinated contaminants in fish as indicators of pollution of aquatic ecosystem in Czech Republic by Hajšlová, Jana, Schoula, Roman, Kocourek, Vladimír, Holadová, Katerina, Poustka, Jan, Kohoutková, Jana, Svobodov, Zdena

“…Fillets obtained from three sets of fish species-carps, breams and pike perches, collected in Mušov lake were analysed for PCBs and other persistent…”
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Solid phase microextraction-comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry for the analysis of honey volatiles: Separation science in food analysis by CAJKA, Tomas, HAJSLOVA, Jana, COCHRAN, Jack, HOLADOVA, Katerina, KLIMANKOVA, Eva

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Determination of polychlorinated biphenyls in biotic matrices using gas chromatography-microwave-induced plasma atomic emission spectrometry by Hajšlová, Jana, Cuhra, Petr, Kempný, Milan, Poustka, Jan, Holadová, Kateřina, Kocourek, Vladimír

“…Basic parameters associated with practical application of gas chromatography coupled with microwave-induced plasma atomic emission spectrometric detection…”
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Determination of PCBs in fatty tissues by means of several detection techniques by Hajslova, J, Holadova, K, Kocourek, V, Poustka, J, Cuhra, P, Raverdino, V

“…Difficulties with harmonization of analytical procedures and consequently poor comparability of generated data represent in the Czech Republic the main reason…”
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