Chromatography

HPTLC-photodensitometry. The proposed method is simple and sensitive and can be used for the routine assay of luteolin in phytomedicines containing thyme extracts. © 2007 Elsevier B.V. All rights reserved. Keywords: High-performance thin-layer chromatography; Densitometry; Luteolin; Thymus vulgaris 1. Introduction Thymus vulgaris (Thyme) is commonly used in medicine as an antiseptic, bronchial spasmolytic and expectorant agent. The herb is used internally in upper respiratory tract disorders, and

romatographyBrochure More information from http://www.researchandmarkets.com/reports/1054044/ Basic Gas Chromatography, 2nd Edition Description: The New Edition of the Well-Regarded Handbook on Gas Chromatography. Since the publication of the highly successful first edition of Basic Gas Chromatography, the practice of chromatography has undergone several notable developments. Basic Gas Chromatography, Second Edition covers the latest in the field, giving readers the most up-to-date guide available,

potential of gas chromatography with the specific characterization ability of mass spectroscopy thanks to data banks constituted by more 350 000 mass spectra recorded in EI mode (70eV) Gas Chromatography-Mass Spectrometry: case of Persistent Organic Pollutants (POPs) 1 2 COUPLING GC-MS Contents of the NIST/EPA/NIH Mass Spectral Library LIBRARY NAME LIBRARY DESCRIPTION LIBRARY CONTENTS Mainlib replib nist_salts nist_msms A mixture of compounds is separated by gas chromatography, then identified

penetration studies. [3] C.W.Huck, W.Guggenbichler, G.K.Bonn, 2005, Pages 195-2003, Analytica Chimica Acta 538, Analysis of caffein, theobromine and theophylline in coffe by near infrared spectroscopy (NIRS) compared to high-performance liquid chromatography (HPLC) coupled to mass spectrometry. [4] M.T Jafari, B.Rezaei, M.Javaheri, 2011, Pages 1964-1970, Food Chemitry, A new method based on electrospray ionisation ion mobility spectrometry (ESI-IMS) for simutaneous determination of caffeine and theophyline

| |TBAI : Tetra-butyl ammonium iodide | |TBDMSCI : Ter-but yi dimethylsilyl chloride | |THF : Tetrahydrofurane | |TLC : Thin Layer Chromatography | |NaH : Sodium hydride | Introduction Rothamsted Research is one of the oldest agricultural research institutions in the world. Today, the mission of

I.N.S.A. de ROUEN Laboratoire de Chimie Analytique U.E. TP ANALYSE INTRODUCTION A LA HPLC : UTILISATION DU LOGICIEL HPLC SIM 2001. PRINCIPE GENERAL DE L'HPLC. High Performance Liquid Chromatography Il s'agit ici d'une méthode de séparation puis de quantification des composés chimiques. On l'utilise en général plutôt sur les produits thermosensibles et non volatiles. On injecte les mélanges à analysé sur une colonne chromatographique constitué d'un tube en inox rempli d'une phase stationnaire. Le

Emilien Hanon, Michel Paquot, Angela Savage Bulletins of the Korean Chemical Society, 30 (10), (2009) 1-7. Article 3 (Included in Chapter 7) Structural graphitized analysis carbon of α-gluco-oligosaccharides micro-liquid by negative ion chromatography/electrospray ix LIST OF PUBLICATIONS ionization mass spectrometry, as a tool to identify unknown Isomaltooligosaccharides (IMO). Dorothée Goffin, Niclas Karlsson, Angela Savage, Michel Paquot Rapid Communications

futur. Référence : Fried., B. et J. Sherma. 1999. Thin Layer Chromatography. 4ème edition. Marcel Dekker Inc. New York. 460p. Karp. G. 2010. Biologie cellulaire et moléculaire : Concepts et expériences. 3ième édition. De Boeck. Bruxelles. 840p. Kost, H.P. 1988. Handbook of chromatography ; Plant pigments, volume I. Zweig G et J Sherma (ed.) CRC press. Boca Raton FL USA. 328p. Kost, H.P. 1972. Handbook of chromatography. CRC Press. Boca Raton Fl USA Koster, S. K. 2008. Isolation of

org/wiki/Chromatographie_en_phase_liquide_%C3%A0_haute_performance | Anglais | http ://en.wikipedia.org/wiki/High-performance_liquid_chromatography | | http://www.lachimie.fr/analytique/chromatographie/HPLC/HPLC.php | | http://www.chemguide.co.uk/analysis/chromatography/hplc.html | | http://www.rocler.qc.ca/pdubreui/chromatographie/HPLC/chroma3.html | | http://biotech.spip.ac-rouen.fr/spip.php?article9 | COURS SUR HPLC | http://departements.univ-reunion.fr/chimie/briere/CHROMATO/Cours_1/Cours%20_1.pdf

samples by high performance liquid chromatography. Anal. Chem. (1985) 57 : 1577-1583. 18 Wahlberg C., Renberg L., Wideqvist U. Determination of nonylphenol and nonylphenol ethoxylate as their pentafluorobenzoates in water, sewage sludge and biota. Chemosphere (1990) 20 : 179-195. 19 Stephanou E., Giger W. Persistent organic chemicals in sewage effluents. Quantitative determination of nonylphenols and nonylphenol ethoxylates by glass capillary gas chromatography. Environ. Sci. Technol. (1982) 16 :