Stanovení fenolu a chlorfenolů ve směsích metodou HPLC po předchozím zkoncentrování na pevné hydrofobní sorbenty

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Title in English HPLC Determination of Phenol and Chlorophenols in Mixtures after Their Previous Preconcentration on Hydrophobic Sorbents
Authors

KOSTRHOUNOVÁ Romana HRDLIČKA Aleš SOMMER Lumír

Year of publication 2004
Type Article in Periodical
Magazine / Source Chemické Listy
MU Faculty or unit

Faculty of Science

Citation
Field Analytic chemistry
Keywords Chlorophenols; Solid Phase Extraction; Narrow Bore HPLC
Description Accubond C18 and Amberlite XAD2 SPE cartridges were found as suitable for preconcentration of 15 chlorophenols from 100 ml of 10% KCl or 10% NaCl solutions of pH 3. The acetonitrile eluates were evaporated under nitrogen to volume of 0.2 ml and their aliquots injected onto Supelcosil LC PAH 250x2.1 mm column. After gradient elution with phosphate buffer of pH 3.5 and methanol, the analytes were determined by means of diode array detector. The method was applied for determination of chlorophenols at 0.05 mg/l concentration after their previous preconcentration on Accubond C18 cartridge.
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