Research

Multiresidue methods for the analysis of pharmaceuticals, personal care products and illicit drugs in surface water and wastewater by solid-phase extraction and ultra performance liquid chromatography-electrospray tandem mass spectrometry


Reference:

Kasprzyk-Hordern, B., Dinsdale, R. M. and Guwy, A. J., 2008. Multiresidue methods for the analysis of pharmaceuticals, personal care products and illicit drugs in surface water and wastewater by solid-phase extraction and ultra performance liquid chromatography-electrospray tandem mass spectrometry. Analytical and Bioanalytical Chemistry, 391 (4), pp. 1293-1308.

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Official URL:

http://dx.doi.org/10.1007/s00216-008-1854-x

Abstract

The main aim of the presented research is to introduce a new technique, ultra performance liquid chromatography-positive/negative electrospray tandem mass spectrometry (UPLC-ESI/MS/MS), for the development of new simultaneous multiresidue methods (over 50 compounds). These methods were used for the determination of multiple classes of pharmaceuticals (acidic, basic and neutral compounds: analgesic/anti-inflammatory drugs, antibiotics, antiepileptics, beta-adrenoceptor blocking drugs, lipid regulating agents, etc.), personal care products (sunscreen agents, preservatives, disinfectant/antiseptics) and illicit drugs (amphetamine, cocaine and benzoylecgonine) in surface water and wastewater. The usage of the novel UPLC system with a 1.7 mu m particle-packed column allowed for good resolution of analytes with the utilisation of low mobile phase flow rates (0.05-0.07 mL min(-1)) and short retention times (method times of up to 25 min), delivering a fast and cost-effective method. SPE with the usage of Oasis MCX strong cation-exchange mixed-mode polymeric sorbent was chosen for sample clean-up and concentration. The influence of mobile phase composition, matrix-assisted ion suppression in ESI-MS and SPE recovery on the sensitivity of the method was extensively studied. The method limits of quantification were at low nanogram per litre levels and ranged from tenths of ng L-1 to tens of ng L-1 in surface water and from single ng L-1 to a few hundreds of ng L-1 in the case of wastewater. The instrumental and method intraday and interday repeatabilities were on average less than 5%. The method was successfully applied for the determination of pharmaceuticals in the River Taff (South Wales) and a wastewater treatment plant (WWTP Cilfy-nydd). Several pharmaceuticals and personal care products were determined in river water at levels ranging from single ng L-1 to single mu g L-1.

Details

Item Type Articles
CreatorsKasprzyk-Hordern, B., Dinsdale, R. M. and Guwy, A. J.
DOI10.1007/s00216-008-1854-x
Uncontrolled Keywordstreatment, plants, ion suppression, swiss lakes, risk-assessment, solid-phase, extraction, samples, wastewaters, ultra performance liquid chromatography-tandem mass spectrometry, uv filters, illicit drugs, multiresidue method, acidic pharmaceuticals, contaminants, personal care products, active compounds, receiving waters, pharmaceuticals
DepartmentsFaculty of Science > Chemistry
RefereedYes
StatusPublished
ID Code24874

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