Analysis of aromatic sulfonates in water by solid-phase extraction and capillary electrophoresis
作者： Robert Loos , Reinhard Niessner
DOI: 10.1016/S0021-9673(98)00620-7
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摘要: Abstract The separation of 14 different aromatic sulfonates environmental concern by capillary (zone) electrophoresis (CZE) is presented. A new off-line solid-phase extraction (SPE) enrichment procedure, that compatible with CE analysis, was developed, using the styrene–divinylbenzene adsorbent LiChrolut EN. combined method SPE and allows determination in water samples low μg/l range. Separations are performed a simple sodium borate buffer at pH 9.3. Analytes detected UV absorbance fluorescence emission Xe-lamp excitation source, both principles compared. recoveries for most >70% from spiked tap river water. average precision
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