 | Jun 1, 2005
By:Kolbjorn Zahlsen, Trond Aamo, Jerry Zweigenbaum
LC-MS monitoring of the drug clozapine is detailed along with a description of the overall system architecture, workflow, and maintenance routines that support a large-scale drug monitoring program.
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Mar 1, 2005
By:Cuiru Zhu, David M. Goodall, Stephen A.C. Wren
The use of elevated and high temperatures in high performance liquid chromatography (HPLC) is reviewed, encompassing the range ambient to 250 °C and with examples covering separations of both small molecules and...
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Sep 1, 2004
By:M. de los Santos, C. Nerin, C. Domeno, R. Batlle
This article describes the separation of individual congeners of commonly used fluorescent whitening agents by reversed-phase high performance liquid chromatography and subsequent time-of-flight mass spectrometry analysis. The authors also compare the...
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Mar 1, 2004
By:Gilles Arramon, Cedric Saucier, Sophie Tijou, Yves Glories
Pedunculate Quercus robur L. and sessile Q. petraea Liebl oak heartwoods are used commonly in the aging process of wine and spirits. During maturation, the ethanol content of these beverages
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Nov 1, 2003
By:Stuart A. Oehrle, Judy Westrick
Microcystins represent an emerging class of algal toxins of concern to the drinking water industry. Consequently, the World Health Organization, Australia, and Brazil have established guidelines for the amount of...
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Mar 1, 2002
By:Shane R. Needham
Parallel synthetic techniques (1) and parallel biological screening (2) place tremendous time constraints upon analytical chemists to provide results in a rapid fashion. The mass selectivity of liquid chromatographymass...
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Mar 1, 2002
By:John W. Dolan
The baselines observed in liquid chromatography (LC) separations vary widely in appearance. They range from smooth, straight traces to backgrounds that are filled with humps and bumps. However, if these...
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