Showing results (4071-4080 of 29,388) with videos related to

Sort By:
Pageof 2,939
Journal of Chromatography. A|February 9, 2010
Determination of fragrance allergens in indoor air by active sampling followed by ultrasound-assisted solvent extraction and gas chromatography-mass spectrometryJ Pablo Lamas, Lucia Sanchez-Prado, Carmen Garcia-Jares, et al.
Journal of Chromatography. A|February 9, 2010
An electrochemically enhanced solid-phase microextraction approach based on a multi-walled carbon nanotubes/Nafion composite coatingJingbin Zeng, Jinmei Chen, Xinhong Song, et al.
Journal of Chromatography. A|February 9, 2010
Optimized use of a 50mum ID secondary column in comprehensive two-dimensional gas chromatography-mass spectrometryPeter Quinto Tranchida, Giorgia Purcaro, Chiara Fanali, et al.
Journal of Chromatography. A|February 11, 2010
Comparison of QuEChERS sample preparation methods for the analysis of pesticide residues in fruits and vegetablesSteven J Lehotay, Kyung Ae Son, Hyeyoung Kwon, et al.
Journal of Chromatography. A|February 11, 2010
Disposable pipette extraction for the analysis of pesticides in fruit and vegetables using gas chromatography/mass spectrometryHongxia Guan, William E Brewer, Sherry T Garris, et al.
Journal of Chromatography. A|March 2, 2010
Selective sample pretreatment by molecularly imprinted polymer monolith for the analysis of fluoroquinolones from milk samplesMing-Ming Zheng, Rui Gong, Xing Zhao, et al.
Journal of Chromatography. A|March 2, 2010
Headspace-trap gas chromatography-mass spectrometry for determination of sulphur mustard and related compounds in soilBent T Røen, Erik Unneberg, John Aa Tørnes, et al.
Pageof 2,939