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Jan Åke Jönsson

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Lennart Mathiasson18
Jing-Fu Liu12
Knut Einar Rasmussen8
Stig Pedersen-Bjergaard7
Estelle Larsson7
18Jing-Fu Liu
18Lennart Mathiasson
18Pablo A. Lara-Martín
14Philipp Mayer
12Manuel Valiente

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1983
2017
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Routine analysis of alcohol and nonylphenol polyethoxylates in wastewater and sludge using liquid chromatography-electrospray mass spectrometry.
A wide range of alcohol and nonylphenol polyethoxylates was determined by separation on a reversed-phase liquid chromatographic column, followed by electrospray ionisation-mass spectral analysis. The… (More)
Hollow fibre-supported liquid membrane extraction and LC-MS/MS detection for the analysis of heterocyclic amines in urine samples.
Heterocyclic amines (HCAs) are potent mutagens/carcinogens to which humans are frequently exposed through the consumption of cooked meat and fish food. The effect of normal intake of HCAs and their… (More)
Microporous membrane liquid-liquid extraction coupled on-line with normal-phase liquid chromatography for the determination of cationic surfactants in river and waste water.
Membrane-based continuous liquid-liquid extraction combined on-line with normal-phase liquid chromatography is proposed for the determination of cationic surfactants in complex aqueous samples. The… (More)
Hollow fiber liquid phase microextraction as a preconcentration and clean-up step after pressurized hot water extraction for the determination of non-steroidal anti-inflammatory drugs in sewage…
A method for the quantitative determination of non-steroidal anti-inflammatory drugs (NSAIDs) in sewage sludge was developed and validated. The target compounds were extracted using pressurized hot… (More)
Supported liquid membrane technique for selective sample workup of basic drugs in plasma prior to capillary zone electrophoresis.
The potential of using the supported liquid membrane (SLM) technique for pretreatment of plasma samples before analysis with capillary zone electrophoresis (CZE) has been investigated. A basic drug,… (More)