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375 Newest Publications about the topic uhplc

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Capillary Liquid Chromatography at Ultrahigh Pressures

22-Jun-2010 | James W. Jorgenson, Annual Review of Analytical Chemistry, 2010

Ultrahigh-pressure liquid chromatography (UHPLC) is a method of liquid chromatography utilizing sub-2-μm particles packed into capillary columns 25 to 100 cm long. Columns of this length packed with particles this fine require operation with pressures from 1,000 to 7,000 bar (15,000 to 100,000 ...

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Simultaneous determination of triazines and their main transformation products in surface and urban wastewater by ultra-high-pressure liquid chromatography–tandem mass spectrometry

04-May-2010 | Federica Benvenuto, José M. Marín, Juan V. Sancho, Sergio Canobbio, Valeria Mezzanotte, Félix Hernández, Analytical and Bioanalytical Chemistry, 2010

This work describes the optimization, validation and application of an ultra-high-pressure liquid chromatography–tandem mass spectrometry (UHPLC-MS/MS) method for the quantification and confirmation of 11 compounds (atrazine, simazine, terbuthylazine, terbumeton, terbutryn and their main ...

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Stir-bar-sorptive extraction and ultra-high-performance liquid chromatography–tandem mass spectrometry for simultaneous analysis of UV filters and antimicrobial agents in water samples

30-Apr-2010 | Marta Pedrouzo, Francesc Borrull, Rosa Maria Marcé, Eva Pocurull, Analytical and Bioanalytical Chemistry, 2010

Stir-bar-sorptive extraction (SBSE) with liquid desorption (LD) and ultra-high-performance liquid chromatography–electrospray ionization triple-quadrupole tandem mass spectrometry (UHPLC–(ESI)MS–MS) were used for analysis of six personal care products in environmental water: four UV filters ...

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Comparison of Positive and Negative Ion Detection of Tea Catechins using Tandem Mass Spectrometry and Ultra High Performance Liquid Chromatography

28-Apr-2010 | Zdeněk, Spáčil , Lucie, Nováková , Petr, Solich, Food Chemistry, 2010

Tea catechins are an important group of natural compounds associated with health promoting effects and are desired commodities for the growing market of dietary supplements and functional foods. Consequently these compounds attract much interest and are subject to intensive research. Reliable ...

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Applications of LC/ESI-MS/MS and UHPLC QqTOF MS for the Determination of 148 Pesticides in Berries†

24-Nov-2009 | Jian Wang; Daniel Leung; Willis Chow, Journal of Agricultural and Food Chemistry, 2009

Applications of liquid chromatography electrospray ionization tandem mass spectrometry (LC/ESI-MS/MS) and ultrahigh-pressure liquid chromatography electrospray ionization quadrupole time-of-flight mass spectrometry (UHPLC QqTOF MS) for the determination of 148 pesticides in berry fruits are ...

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