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Author : Guy Gautret de la Moricière
Publisher :
ISBN 13 :
Total Pages : 35 pages
Book Rating : 4.:/5 (774 download)
Download or read book Développements récents de la chromatographie en phase liquide written by Guy Gautret de la Moricière and published by . This book was released on 1968 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William Phillip Price
Publisher :
ISBN 13 :
Total Pages : 438 pages
Book Rating : 4.:/5 (941 download)
Download or read book Development and Application of New Models for Reversed Phase Liquid Chromatography written by William Phillip Price and published by . This book was released on 1982 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Heinz Engelhardt
Publisher : Springer Science & Business Media
ISBN 13 : 3642670644
Total Pages : 263 pages
Book Rating : 4.6/5 (426 download)
Download or read book High Performance Liquid Chromatography written by Heinz Engelhardt and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern liquid column chromatography (LC) has developed rapidly since 1969 to become a standard method of separation. If the statisticians are to be believed, the recent growth of LC has been the most specta cular development in analytical chemistry and has not yet abated be cause its vast potential for application remains to be fully exploit ed. Significant factors contributing to this continued rise are the simplicity and low cost of the required basic equipment and the rela tive ease of acquiring and interpreting the data. Unfortunately, in LC, as so often in the field of analytical chemistry, the available commercial instruments are frequently far more complicated - and consequently far more expensive - than is nec essary for routine application. Therein also lies the risk of propa gating a "black box" philosophy that would be particularly detrimen tal to chromatography. Moreover, it appears to have been forgotten, as was done previously with gas chromatography, that inadequate sep aration by a column can be remedied only with great difficulty, if at all, by electronic means. Also, whether the capillary columns recent ly advocated with great enthusiasm for LC will fulfill the expecta tions of their proponents is highly questionable unless someone comes up with some new and revolutionary ideas.
Author :
Publisher :
ISBN 13 :
Total Pages : 604 pages
Book Rating : 4.3/5 (91 download)
Download or read book Recent Developments in Chromatography and Electrophoresis written by and published by . This book was released on 1969 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Csaba Horváth
Publisher : Elsevier
ISBN 13 : 1483261883
Total Pages : 332 pages
Book Rating : 4.4/5 (832 download)
Download or read book High-Performance Liquid Chromatography written by Csaba Horváth and published by Elsevier. This book was released on 2013-10-22 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: High-Performance Liquid Chromatography: Advances and Perspectives, Volume 4 is an authoritative publication that deals with the fundamentals, instrumentation, and applications of high-performance liquid chromatography. The volume contains articles on practical aspects of reversed-phase chromatography in the study of biopolymer separations; characterization of stationary phases and the development of various packing materials; electrochemical detection; and the fundamentals of chromatographic behavior of large molecules. Chromatographers, chemists, and researchers in the field of chemical analysis will find this book an interesting read.
Author : Pierre Gareil
Publisher :
ISBN 13 :
Total Pages : 311 pages
Book Rating : 4.:/5 (49 download)
Download or read book CONTRIBUTION A LA THEORIE DE LA CHROMATOGRAPHIE EN PHASE LIQUIDE PREPARATIVE PAR DEVELOPPEMENT PAR ELUTION written by Pierre Gareil and published by . This book was released on 1981 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: PARTICULARITES DE CETTE METHODE. MODELES THEORIQUES DE COMPORTEMENT ET MODELES PHYSICO-CHIMIQUES. MESURES DE LA CAPACITE DE LA PHASE STATIONNAIRE. PROFILS DES CHROMATOGRAMMES DANS LES CAS DE COMPORTEMENT LINEAIRE ET NON LINEAIRE. OPTIMISATION DES CONDITIONS OPERATOIRES. APPLICATIONS: PURIFICATION D'ANTIBIOTIQUE POLYENIQUE, SEPARATION DES ANIONS MALEATE ET FUMARATE, SEPARATION DU RESORCINOL ET DU PHENOL
Author : Haixiao Qiu
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (868 download)
Download or read book Development of New Stationary Phases and Their Applications in High Performance Liquid Chromatography written by Haixiao Qiu and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: High performance liquid chromatography (HPLC) has proven to be the most widely applicable and versatile technique in separation science. Hydrophilic interaction liquid chromatography (HILIC) has attracted considerable interest and has become a viable option for the separation of polar compounds. Chirality is another major concern in the modern pharmaceutical industry for two reasons: 1). the majority of bio-organic molecules are chiral; 2). enantiomers of a racemic drug may often exhibit different biological activities, pharmacokinetics, and toxicities. The field of enantiomeric separations has reached a clear level of maturity after approximately 30 years of development. However, with the continued emphasis on stereochemistry in drug design and development, chiral separations are in ever increasing demand. The development of new, more effective methods is still challenging and demanding experimentally. This dissertation discusses new research in three areas: 1). Development and application of new HILIC stationary phases for the separation of polar organic compounds. Two types of new HILIC stationary phases have been successfully synthesized and evaluted. One is based on native cyclofructan 6 and another one is a zwitterionic stationary phase based on 3-P,P-diphenylphosphonium-propylsulfonate. Their performance and retention mechanisms in the HILIC mode will be discussed in this dissertation.2). Development and evaluation of new chiral stationary phases. R-naphthylethyl-carbamate cyclofructan 6 (RN-CF6) and dimethylphenyl-carbamate cyclofructan 7 (DMP-CF7) were successfully synthesized and provide enantioselectivity toward a broad range of chiral compounds. They were found to be the best aromatic-functionalized cyclofructan chiral stationary phases and provide enantiomeric separations complementary to the isopropyl-carbamate cyclofructan 6 based chiral stationary phase. This dissertation also describes method development of enantiomeric impurities quantification in chiral reagents. Three macrocyclic chiral stationary phases, including cyclodextrins, macrocyclic glycopeptides and cyclofructans, have been used to determine enantiomeric impurities in new chiral catalysts, auxiliaries and synthons used in asymmetric syntheses. It was found that many of the newer chiral reagents are highly enantiopure, probably due to continual improvements in asymmetric syntheses and purification in the manufacturing process. 3). Development and application of new stationary phases based on a resin substrate instead of silica gel. This dissertation describes methods for binding cyclofructan 6 to resin via "click" chemistry. It was found that these resin based stationary phases appear to have potential in HILIC separations (native cyclofructan 6 bonded to resin as stationary phases) and enantiomeric separations (isopropyl-carbamated cyclofructan 6 bonded to resin).
Author : SOLANGE.. GOGA REMONT
Publisher :
ISBN 13 :
Total Pages : 179 pages
Book Rating : 4.:/5 (49 download)
Download or read book DEVELOPPEMENT, EN CHROMATOGRAPHIE EN PHASE LIQUIDE, D'OPTIMISATIONS SIMULTANEES A DEUX PARAMETRES written by SOLANGE.. GOGA REMONT and published by . This book was released on 1998 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: LA SELECTION DES MEILLEURES CONDITIONS D'ANALYSES EN CHROMATOGRAPHIE LIQUIDE A POLARITE DE PHASES INVERSEE EST SOUVENT DELICATE CAR LES PARAMETRES SUSCEPTIBLES D'INFLUENCER LA QUALITE D'UN CHROMATOGRAMME SONT NOMBREUX. LES METHODES D'OPTIMISATION INFORMATISEES CONSTITUENT UNE AIDE POUR LE CHROMATOGRAPHISTE DANS CETTE RECHERCHE DES CONDITIONS OPTIMALES. CE TRAVAIL A POUR BUT DE PROPOSER DES PROCEDURES POUR PERMETTRE L'OPTIMISATION SIMULTANEE DE LA COMPOSITION ET, D'UNE PART, DE LA TEMPERATURE OU, D'AUTRE PART, DU PH DE LA PHASE MOBILE. LA PRISE EN COMPTE DE LA TEMPERATURE COMME PARAMETRE INFLUENT EST PARTICULIEREMENT INTERESSANTE POUR METTRE AU POINT DES SEPARATIONS DIFFICILES OU POUR GARANTIR LA REPRODUCTIBILITE DES ANALYSES. LA PRISE EN COMPTE DU PH, EST QUANT A ELLE, INCONTOURNABLE LORS DE L'ANALYSE D'ECHANTILLONS CONTENANT DES SOLUTES IONISABLES. LES PROCEDURES CHOISIES APPARTIENNENT AUX METHODES D'INTERPRETATION, QUI CONSISTENT A DECRIRE LE COMPORTEMENT CHROMATOGRAPHIQUE DU SOLUTE AVANT D'EVALUER LA QUALITE DU CHROMATOGRAMME. LE CHOIX DES MODELES (QUI PERMETTENT DE DECRIRE LE COMPORTEMENT CHROMATOGRAPHIQUE DES SOLUTES) AINSI QUE CELUI DE LA FONCTION DE REPONSE (QUI EVALUE LA QUALITE DU CHROMATOGRAMME) SONT DONC DEUX ETAPES DECISIVES LORS DU DEVELOPPEMENT DE TELLES METHODES. IL A ETE MONTRE QUE LES MODELES CHOISIS SONT FIABLES ET NECESSITENT DE REALISER PEU D'EXPERIENCES PRELIMINAIRES POUR LE CALCUL DE LEURS COEFFICIENTS. LEURS APPLICATIONS CONCERNENT L'OPTIMISATION SIMULTANEE DE LA COMPOSITION BINAIRE OU TERNAIRE ET DE LA TEMPERATURE. ELLES CONCERNENT EGALEMENT L'OPTIMISATION SIMULTANEE DU PH ET DE LA COMPOSITION BINAIRE DE LA PHASE MOBILE. LA FONCTION DE REPONSE PROPOSEE, PREND EN COMPTE LA QUALITE DE LA SEPARATION, LE TEMPS D'ANALYSE ET LA ROBUSTESSE DES PARAMETRES OPERATOIRES. CETTE FONCTION DE REPONSE PERMET AINSI DE MIEUX REPONDRE AUX ATTENTES DU CHROMATOGRAPHISTE DONT LE SOUCI EST DE CONSACRER UN MINIMUM DE TEMPS POUR LA MISE AU POINT D'ANALYSES ROBUSTES ET REPRODUCTIBLES. LES PERFORMANCES ET LES LIMITES DE CES PROCEDURES SONT DISCUTEES DANS CE TRAVAIL ET ILLUSTREES PAR DIFFERENTES APPLICATIONS.
Author :
Publisher :
ISBN 13 :
Total Pages : 142 pages
Book Rating : 4.:/5 (246 download)
Download or read book Progrès récents en chromatographie en phase liquide written by and published by . This book was released on 1973 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Salvatore Fanali
Publisher : Elsevier
ISBN 13 : 9780128053928
Total Pages : 0 pages
Book Rating : 4.0/5 (539 download)
Download or read book Liquid Chromatography written by Salvatore Fanali and published by Elsevier. This book was released on 2017-06-25 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid Chromatography: Applications, Second Edition,is a single source of authoritative information on all aspects of the practice of modern liquid chromatography. It gives those working in both academia and industry the opportunity to learn, refresh, and deepen their knowledge of the wide variety of applications in the field. In the years since the first edition was published, thousands of papers have been released on new achievements in liquid chromatography, including the development of new stationary phases, improvement of instrumentation, development of theory, and new applications in biomedicine, metabolomics, proteomics, foodomics, pharmaceuticals, and more. This second edition addresses these new developments with updated chapters from the most expert researchers in the field.
Author :
Publisher :
ISBN 13 : 9781910420249
Total Pages : pages
Book Rating : 4.4/5 (22 download)
Download or read book Advances in liquid chromatography written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David S. Hage
Publisher :
ISBN 13 : 9781910420232
Total Pages : pages
Book Rating : 4.4/5 (22 download)
Download or read book Advances in Liquid Chromatography written by David S. Hage and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Encyclopaedia Universalis,
Publisher : Encyclopaedia Universalis
ISBN 13 : 234100315X
Total Pages : 78 pages
Book Rating : 4.3/5 (41 download)
Download or read book Chromatographie written by Encyclopaedia Universalis, and published by Encyclopaedia Universalis. This book was released on 2016-09-19 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt: La chromatographie est une méthode d'analyse chimique (cf. chimie analytique ) consistant à séparer les constituants d'un mélange. Elle est utilisée aussi bien dans les services de recherche et développement que dans le domaine du contrôle. Son champ d'activité couvre les organismes d'État et le...
Author : Michael Lederer
Publisher : FeniXX
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.0/5 (41 download)
Download or read book Progrès récents de la chromatographie written by Michael Lederer and published by FeniXX. This book was released on 1956-01-01T00:00:00+01:00 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cet ouvrage est une réédition numérique d’un livre paru au XXe siècle, désormais indisponible dans son format d’origine.
Author :
Publisher :
ISBN 13 :
Total Pages : 684 pages
Book Rating : 4.:/5 (319 download)
Download or read book Canadian Journal of Chemistry written by and published by . This book was released on 1996 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joseph J. Kirkland
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (91 download)
Download or read book Chromatographie en Phase Liquide written by Joseph J. Kirkland and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Francis Verillon
Publisher :
ISBN 13 :
Total Pages : 61 pages
Book Rating : 4.:/5 (49 download)
Download or read book Sur l'étude du recyclage en chromatographie en phase liquide à haute performance et l'intérêt de cette option pour le développement de l'application préparative written by Francis Verillon and published by . This book was released on 1977 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:
