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A GC Troubleshooter's Toolkit
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| By
John V. Hinshaw
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This month's instalment presents the latest tools and accessories for the gas chromatographer. Have you got what you need in your troubleshooting toolkit?
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Can You Meet the Technical Requirements of Annex 11?
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| By
R.D. McDowall
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The new version of EU GMP Annex 11 has been effective for about a year. There are new technical requirements in the Annex – do your laboratory computerized systems comply with them all? In this column we look at the impact of these new regulatory requirements for Good Manufacturing Practice laboratories.
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Interactive Liquid Chromatography of Olefin-based Elastomers
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| By
Rajesh Chitta
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Anton Ginzburg
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Tibor Macko
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Robert Brull
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Gerard van Doremaele
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The use of interactive liquid chromatography using porous graphite as a stationary phase and gradients of long chain alcohols and chlorinated aromatics to separate olefin-based elastomers according to their chemical composition is discussed.
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Coupling SFC with ELSD: Study of the Parameters Ruling Response
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Eric Lesellier
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Thibaut Bizet
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Aude Valarche
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Caroline West
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Michel Dreux
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The article investigates the ELSD response variation with supercritical carbon dioxide-based mobile phases and compares the response with HPLC.
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