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Studies Of Methods Of Quantitation In Gas Chromatography Mass Spectrometry And Its Applications To Quantitative Determination Of Polycyclic Aromatic Hydrocarbons
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Book Synopsis Studies of Methods of Quantitation in Gas Chromatography/mass Spectrometry and Its Applications to Quantitative Determination of Polycyclic Aromatic Hydrocarbons by : Aprajita Arora
Download or read book Studies of Methods of Quantitation in Gas Chromatography/mass Spectrometry and Its Applications to Quantitative Determination of Polycyclic Aromatic Hydrocarbons written by Aprajita Arora and published by . This book was released on 1994 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory by : Mary C. Olson
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory written by Mary C. Olson and published by . This book was released on 2004 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantitative Applications of Mass Spectrometry by : Pietro Traldi
Download or read book Quantitative Applications of Mass Spectrometry written by Pietro Traldi and published by John Wiley & Sons. This book was released on 2006-05-01 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text presents the information needed to design a successful quantitative analysis using mass spectrometric techniques currently available and widely employed. It is devoted to the researchers of different areas, who use mass spectrometry as a detector suitable for the measurements of their interest. An essential book for the practicing mass spectroscopist A genuine 'how-to' text for the practitioner focusing on quantification rather than instrumental design and techniques Up-to-date structured text describing methods, experimental strategy, capabilities and limitations, with data analysis and interpretation Brings together material widely dispersed in the pertinent literature into one unique source Internationally recognized group of authors
Book Synopsis Environmental Applications of Chromatography-mass Spectrometry by : Wisam Abdulabbas Flayyih Al-Isawi
Download or read book Environmental Applications of Chromatography-mass Spectrometry written by Wisam Abdulabbas Flayyih Al-Isawi and published by . This book was released on 2016 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gas chromatography-mass spectrometry (GC-MS) and liquid chromatography mass spectrometry (LC-MS) are powerful analytical techniques that combine the separation power in a stationary phase with the detection power of mass spectrometry. GCMS and LC-MS have gained dominant positions in identifying and quantifying different analyte species due to their high selectivity, high sensitivity, and high reproducibility. My research utilizes the analytical power of LC-MS and GC-MS to address two environmental issues: 1) Identification of biodegradation products of the ionic liquid 1- butyl-3-methylimidazolium chloride (BMIMCl) by an activated sludge microbial community using LC-MS and 2) identification and quantification of polycyclic aromatic hydrocarbons (PAHs) in the Kalamazoo River oil spill using GC-MS. Three major metabolites from BMIMCl biodegradation were identified, and their structures were confirmed using MS/MS and 1H-NMR techniques. Many PAHs were identified, and their concentrations were quantified in the Kalamazoo River oil spill area using GC-MS.
Book Synopsis Gas Chromatography and Mass Spectrometry: A Practical Guide by : O. David Sparkman
Download or read book Gas Chromatography and Mass Spectrometry: A Practical Guide written by O. David Sparkman and published by Academic Press. This book was released on 2011-05-17 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of Gas Chromatography and Mass Spectrometry: A Practical Guide follows the highly successful first edition by F.G. Kitson, B.S. Larsen, and C.N. McEwen (1996), which was designed as an indispensible resource for GC/MS practitioners regardless of whether they are a novice or well experienced. The Fundamentals section has been extensively reworked from the original edition to give more depth of an understanding of the techniques and science involved with GC/MS. Even with this expansion, the original brevity and simple didactic style has been retained. Information on chromatographic peak deconvolution has been added along with a more in-depth understanding of the use of mass spectral databases in the identification of unknowns. Since the last edition, a number of advances in GC inlet systems and sample introduction techniques have occurred, and they are included in the new edition. Other updates include a discussion on fast GC and options for combining GC detectors with mass spectrometry. The section regarding GC Conditions, Derivatization, and Mass Spectral Interpretation of Specific Compound Types has the same number of compound types as the original edition, but the information in each section has been expanded to not only explain some of the spectra but to also explain why certain fragmentations take place. The number of Appendices has been increased from 12 to 17. The Appendix on Atomic Masses and Isotope Abundances has been expanded to provide tools to aid in determination of elemental composition from isotope peak intensity ratios. An appendix with examples on "Steps to follow in the determination of elemental compositions based on isotope peak intensities" has been added. Appendices on whether to use GC/MS or LC/MS, third-party software for use in data analysis, list of information required in reporting GC/MS data, X+1 and X+2 peak relative intensities based on the number of atoms of carbon in an ion, and list of available EI mass spectral databases have been added. Others such as the ones on derivatization, isotope peak patterns for ions with Cl and/or Br, terms used in GC and in mass spectrometry, and tips on setting up, maintaining and troubleshooting a GC/MS system have all been expanded and updated. Covers the practical instruction necessary for successful operation of GC/MS equipment Reviews the latest advances in instrumentation, ionization methods, and quantitation Includes troubleshooting techniques and a variety of additional information useful for the GC/MS practitioner A true benchtop reference A guide to a basic understanding of the components of a Gas Chromatograph-Mass Spectrometer (GC-MS) Quick References to data interpretation Ready source for information on new analyses
Book Synopsis Clinical Applications of Mass Spectrometry in Drug Analysis by : Uttam Garg
Download or read book Clinical Applications of Mass Spectrometry in Drug Analysis written by Uttam Garg and published by Springer Nature. This book was released on 2023-11-30 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fully updated volume describes methods and protocols for a number of drugs and toxins in a stepwise manner. Exploring the versatility and flexibility of mass spectrometry, the book covers the advantages of this technology, which typically include elimination of the need for special reagents such as antibodies, increased sensitivity and specificity, and multi-component analysis enabling the screening of tens to hundreds of compounds in a single assay run. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step and readily reproducible laboratory protocols, as well as tips on troubleshooting and avoiding known pitfalls. Authoritative and up-to-date, Clinical Applications of Mass Spectrometry in Drug Analysis: Methods and Protocols, Second Edition serves as a valuable resource for laboratory professionals who are already utilizing mass spectrometry or considering bringing this technology to their labs.
Book Synopsis Toxicological Profile for Polycyclic Aromatic Hydrocarbons by :
Download or read book Toxicological Profile for Polycyclic Aromatic Hydrocarbons written by and published by . This book was released on 1995 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Development of Gas Chromatographic and Mass Spectrometric Techniques for the Analysis of Polycyclic Aromatic Compounds (PACs) in Environmental Samples by : IFEOLUWA GRACE. IDOWU
Download or read book Development of Gas Chromatographic and Mass Spectrometric Techniques for the Analysis of Polycyclic Aromatic Compounds (PACs) in Environmental Samples written by IFEOLUWA GRACE. IDOWU and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concerns emanating from the presence of polycyclic aromatic compounds (PACs) in the environment especially as a yardstick for overall environmental health have been a challenge for several decades. Polycyclic aromatic compounds are a complex and structurally diverse class of compounds many of which can exist as isomers. Approaches to measure these compounds in environmental samples have relied on techniques based on gas chromatography coupled to mass spectrometry (GC/MS) at unit mass resolution. For example, the quantitation of the 16 US Environmental Protection Agency priority polycyclic aromatic hydrocarbons (PAHs) uses GC/MS and selected ion monitoring (SIM) of diagnostic m/z values of individual PAHs. Although this approach works well for the 16 priority PAHs, for more complex PACs, GC/MS in SIM mode is largely unreliable. Reasons for this include low selectivity of the SIM mode, insufficient chromatographic and mass resolution and the lack of commercially available authentic analytical standards. The overarching hypothesis of my thesis, therefore, is that more sophisticated chromatographic and MS techniques will provide more accurate measurements of PACs in the environment. The first advancement I made to the field of PAC research was the development of a one-dimensional GC coupled to MS method in the multiple reaction monitoring (MRM) to measure a suite of PACs. The method I developed was fully validated according to the EURACHEM guide - The Fitness for Purpose of Analytical methods and represents a significant improvement in the current SIM approach to quantitation of PACs in environmental samples. The second major advancement I made to the field of PAC research was the validation of a comprehensive 2D GC (GC×GC) high resolution time-of-flight (HR-TOF) MS method for the separation and quantitation of PACs. In this study I was able to exploit the increased peak capacity of the GC×GC system (relative to 1D) and the specificity of the HR-TOF/MS to quantify individual isomers of PAC compounds that were not attempted before. The methods I developed were paramount to the success of 2 other studies: (i) the GC/MS MRM method was used to understand the kinetics of PAH absorption to a highly sorptive medium that is used by industry to remediate the aquatic environment during/after an oil-spill and, (ii) the GC×GC-HR-TOF/MS was used in the detection of novel halogenated PACs in biological samples from the Alberta Oil Sands Region. The results of my work will have an impact and influence on future studies on source apportionment and chemical fingerprinting of crude-oil and will support much needed toxicological and monitoring studies of individual PAC isomers in the environment.
Book Synopsis Basic Gas Chromatography-Mass Spectrometry by : F.W. Karasek
Download or read book Basic Gas Chromatography-Mass Spectrometry written by F.W. Karasek and published by Elsevier. This book was released on 2012-12-02 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book begins by covering the basic principles of both gas chromatography (GC) and mass spectrometry (MS) to the extent necessary to understand and deal with the data generated in a GC-MS analysis. The focus then turns to the particular requirements created by a direct combination of these two techniques into a single instrumentation system. The data generated and their use are covered in detail. The role of the computer and its specific software receives special attention, especially in the matter of compound identification via mass spectral search techniques. GC-MS-computer instrumentation has reached such a plateau of excellence today that the present commercial systems will not be obsolete for a long time to come. Therefore, a detailed description of these systems is not only informative but is also pertinent to the subject matter of this book. Finally, representative applications and results obtained with GC-MS-computer techniques are presented and chosen in such a way as to permit extrapolation of specific applications to similar problems encountered by the reader. To aid the reader in mastering the subject matter and increase understanding, interpretation problems and suggested readings are included. The format is instructional, informative and application-oriented with material presented in such a way as to be useful to a broad spectrum of people.The book serves as a text in its own right.The software package Gas Chromatography-Mass Spectrometry: A Knowledge Base, by F.A. Settle, Jr. and M.A. Pleva provides rapid access to a wealth of current information in the GC-MS field. Its three diskettes (51/4 inch) allow the user three ways to access: the index mode, the tree mode and a keyword search mode. The package may be purchased separately and is available for the IBM-PC and compatibles.The software provides a valuable supplement to the book.
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer. This book was released on 1996-04-30 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS)* at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dis semination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all concerned if the printing and distribution of the volumes were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 39 (thesis year 1994) a total of 13,953 thesis titles from 21 Canadian and 159 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this impor tant annual reference work. While Volume 39 reports theses submitted in 1994, on occasion, certain uni versities do report theses submitted in previous years but not reported at the time.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1978 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cumulated Index Medicus written by and published by . This book was released on 2000 with total page 1828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Index Medicus written by and published by . This book was released on 2004 with total page 2454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.
Book Synopsis Publications of the National Bureau of Standards ... Catalog by : United States. National Bureau of Standards
Download or read book Publications of the National Bureau of Standards ... Catalog written by United States. National Bureau of Standards and published by . This book was released on 1980 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Food Science, Technology, and Engineering - 4 Volume Set by : Y. H. Hui
Download or read book Handbook of Food Science, Technology, and Engineering - 4 Volume Set written by Y. H. Hui and published by CRC Press. This book was released on 2005-12-19 with total page 3632 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in food science, technology, and engineering are occurring at such a rapid rate that obtaining current, detailed information is challenging at best. While almost everyone engaged in these disciplines has accumulated a vast variety of data over time, an organized, comprehensive resource containing this data would be invaluable to have. The
Download or read book NBS Special Publication written by and published by . This book was released on 1968 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Publications by : United States. National Bureau of Standards
Download or read book Publications written by United States. National Bureau of Standards and published by . This book was released on 1980 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
