T Hyötyläinen, ML Riekkola - Analytica chimica acta, 2008 - Elsevier
Approaches are described for on-line and off-line sample pretreatment of liquid samples utilising liquid-and adsorbent-and sorbent-phase microextraction methodologies with GC …
H Chen, H Chen, J Ying, J Huang, L Liao - Analytica chimica acta, 2009 - Elsevier
Dispersive liquid–liquid microextraction (DLLME) coupled with high-performance liquid chromatography-variable wavelength detector (HPLC-VWD) was developed for extraction …
Dispersive liquid–liquid microextraction (DLLME) and high performance liquid chromatography-diode array detection (HPLC-DAD) was presented for extraction and …
A novel direct immersion solid-phase microextraction (DI-SPME) method using a stainless steel wire electrochemically coated with oxidized multiwalled carbon nanotubes–polypyrrole …
I Ali, VK Gupta, HY Aboul‐Enein… - Journal of Separation …, 2008 - Wiley Online Library
Abstract Analysis at trace levels, an ideal area of application for hyphenated techniques, is steadily gaining importance. Many sample pre‐concentration and clean‐up methods have …
AS Silva, RS García, I Cooper, R Franz… - Trends in Food Science & …, 2006 - Elsevier
Reference plastics as well as model migrants of different chemical and physical properties have been selected to carry out a review regarding the analytical techniques available for …
T Hyötyläinen - Journal of Chromatography A, 2007 - Elsevier
On-line coupling of extraction and chromatographic separation allows the whole analysis to be performed in a closed system. On-line systems are particularly useful when the analytes …
T Hyötyläinen, ML Riekkola - Analytical and bioanalytical chemistry, 2004 - Springer
This review provides an overview of the approaches available in order to perform on-line coupling of various extraction techniques with liquid and gas chromatography, for the …