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Author : Joseph D. Rosen
Publisher : Wiley-Interscience
Page : 296 pages
File Size : 28,48 MB
Release : 1987
Category : Science
ISBN :
Very Good,No Highlights or Markup,all pages are intact.
Author : Roberto Romero-González
Publisher : Elsevier
Page : 362 pages
File Size : 25,7 MB
Release : 2017-03-07
Category : Science
ISBN : 0128096489
Applications of High Resolution Mass Spectrometry: Food Safety and Pesticide Residue Analysis is the first book to offer complete coverage of all aspects of high resolution mass spectrometry (HRMS) used for the analysis of pesticide residue in food. Aimed at researchers and graduate students in food safety, toxicology, and analytical chemistry, the book equips readers with foundational knowledge of HRMS, including established and state-of-the-art principles and analysis strategies. Additionally, it provides a roadmap for implementation, including discussions of the latest instrumentation and software available. Detailed coverage is given to the application of HRMS coupled to ultra high-performance liquid chromatography (UHPLC-HRMS) in the analysis of pesticide residue in fruits and vegetables and food from animal origin. The book also discusses extraction procedures and the challenges of sample preparation, gas chromatography coupled to high resolution mass spectrometry, flow injection-HRMS, ambient ionization, and identification of pesticide transformation products in food. Responding to the fast development and application of these new procedures, this book is an essential resource in the food safety field. Arms researchers with an in-depth resource devoted to the rapid advances in HRMS tools and strategies for pesticide residue analysis in food Provides a complete overview of analytical methodologies and applications of HRMS, including UHPLC-HRMS, HRMS coupled with time of flight (TOF) and/or GC-Orbitrap, and flow injection-HRMS Discusses the current international regulations and legislation related to the use of HRMS in pesticide residue analysis Features a chapter on the hardware and software available for HRMS implementation Offers separate chapters on HRMS applied to pesticide residue analysis in fruits and vegetables and in food from animal origin
Author : Despina Tsipi
Publisher : John Wiley & Sons
Page : 288 pages
File Size : 21,59 MB
Release : 2015-05-12
Category : Science
ISBN : 1119070007
Provides an overview of the use of mass spectrometry (MS) for the analysis of pesticide residues and their metabolites. Presents state of the-art MS techniques for the identification of pesticides and their transformation products in food and environment Covers important advances in MS techniques including MS instrumentation and chromatographic separations (e.g. UPLC, HILIC, comprehensive GCxGC) and applications Illustrates the main sample preparation techniques (SPE, QuEChERS, microextraction) used in combination with MS for the analysis of pesticides Describes various established and new ionization techniques as well as the main MS platforms, software tools and mass spectral libraries
Author : Wilfried M. A. Niessen
Publisher : John Wiley & Sons
Page : 799 pages
File Size : 33,52 MB
Release : 2017-01-09
Category : Science
ISBN : 1119294258
Provides comprehensive coverage of the interpretation of LC–MS–MS mass spectra of 1300 drugs and pesticides Provides a general discussion on the fragmentation of even-electron ions (protonated and deprotonated molecules) in both positive-ion and negative-ion modes This is the reference book for the interpretation of MS–MS mass spectra of small organic molecules Covers related therapeutic classes of compounds such as drugs for cardiovascular diseases, psychotropic compounds, drugs of abuse and designer drugs, antimicrobials, among many others Covers general fragmentation rule as well as specific fragmentation pathways for many chemical functional groups Gives an introduction to MS technology, mass spectral terminology, information contained in mass spectra, and to the identification strategies used for different types of unknowns
Author : Horacio Heinzen
Publisher : CRC Press
Page : 531 pages
File Size : 39,12 MB
Release : 2017-10-10
Category : Science
ISBN : 1351644637
In the last decades the public concern on the pesticide residues content in foods have been steadily rising. The global development of food trade implies that aliments from everywhere in the world can reach the consumer`s table. Therefore, the identification of agricultural practices that employ different pesticides combinations and application rates to protect produce must be characterized, as they left residues that could be noxious to human health. However, the possible number of pesticides (and its metabolites of toxicological relevance) to be found in a specific commodity is almost 1500, and the time needed to analyze them one by one, makes this analytical strategy a unrealistic task. To overcome this problem, the concept of Multi Residue Methods (MRM) for the analysis of pesticide traces have been developed. The advent of new and highly sensitive instrumentation, based in hyphenatedchromatographic systems to coupled mass analyzers (XC (MS/MS) or MSn) permitted simultaneously the identification and the determination of up to hundreds of pesticide residues in a single chromatographic run. Multiresidue Methods for the Analysis of Pesticide Residues in Food presents the analytical procedures developed in the literature, as well as those currently employed in the most advanced laboratories that perform routinely Pesticide Residue Analysis in foods. In addition to these points, the regulations, guidelines and recommendations from the most important regulatory agencies of the world on the topic will be commented and contrasted.
Author : American Chemical Society. Division of Pesticide Chemistry
Publisher : Plenum Publishing Corporation
Page : 368 pages
File Size : 11,12 MB
Release : 1974
Category : Science
ISBN :
Mass spectrometry in the study of pesticides; characterization of chrinted hydrocarbon; positive and negative chemical ionization mass;a self-training interpretive and retrieval system; ion kinetic energy spectroscopy; a new mass; electron impact spectra of several aromatic sytems; identification of insecticide photoproducts by mass spectrometry; mass fragmentography as applied to some organophosphate inseccides; the application of mass spectrometry to the study of nitroniline derived herbicide; determination of metastable transitions in the mass spectra of pesticida by direct analysis of danghter ions; nuclear magnetic resonance.
Author : Urs P. Schlunegger
Publisher : Elsevier
Page : 156 pages
File Size : 16,67 MB
Release : 2016-01-22
Category : Science
ISBN : 1483188876
Advanced Mass Spectrometry: Applications in Organic and Analytical Chemistry discusses the concepts that are essential in the effective utilization of mass spectrometry. The title particularly covers the fundamentals of the modern techniques, along with the technological concerns of mass spectrometry. The opening chapter of the selection introduces mass spectrometry, while the subsequent chapters cover the fundamentals and hardware. The next chapters talk about the analytical chemistry consequences and the ion-genetic relationships. The remaining chapter covers the application of mass spectrometry, which includes structural, mechanistic, chemical, and biochemical applications. The book will be of great use to organic and analytical chemists. Chemists from other branch of chemistry, along with practitioners of related fields such as chemical engineering will also benefit from the text.
Author : A.R. Fernandez Alba
Publisher : Elsevier
Page : 509 pages
File Size : 48,37 MB
Release : 2004-12-11
Category : Science
ISBN : 0080454402
The trace determination of pesticides continues to be a topic for analytical chemists working in research centres, government and universities. With four chapters devoted to chromatography-mass spectrometry methods, readers are able to understand the analytical basis, technical characteristics and possibilities to evaluate pesticides in food by gas chromatography (GC) and liquid chromatography (LC) mass spectrometry. The book also provides a well-defined and critical compilation of the sample treatment and clean-up procedures, as well as injection techniques applied in GC and LC food analysis. Finally the book deals with aspects related to analytical quality control requirements for pesticide residues, in addition to pesticide regulation aspects. * Contains specific chapters devoted to chromatography-mass spectrometry methods* Provides a well-defined and critical compilation of the sample treatment and clean-up procedures* Contains aspects related to analytical quality control requirements for pesticide residues
Author : Gunter Zweig
Publisher : Elsevier
Page : 313 pages
File Size : 49,41 MB
Release : 2013-10-22
Category : Science
ISBN : 1483220869
Analytical Methods for Pesticides and Plant Growth Regulators, Volume IX: Spectroscopic Methods of Analysis covers the progress in spectroscopic methods for pesticide analysis. The book discusses the use of high-pressure liquid chromatography coupled to mass spectrometry for the analysis of heat-labile compounds; and the applications of nuclear magnetic resonance spectroscopy and related techniques, and visible and ultraviolet spectrophotometry. The text also describes the applications of spectrophotofluorometry, infrared spectrometry, and a collection of infrared spectra of important pesticides. Toxicologists, chemists, and people working in pesticide laboratories will find the book invaluable.
Author : Amadeo Rodriguez Fernandez-Alba
Publisher : Elsevier
Page : 452 pages
File Size : 49,5 MB
Release : 2012-09-06
Category : Science
ISBN : 0444538100
New developments in mass spectrometry have allowed routine identification and lowered limits of detection at levels only imagined a decade ago. Thousands of contaminants and residues in the food supply and the environment are now being reported. Between 2005 and 2010, more than 5,000 publications covering TOF-MS and environmental and food analysis were published, showing the importance of the technique in these applications. This book covers the basic principles of method development in GC- and LC-TOF-MS as well as the main operational parameters related to TOF-MS. The second part focuses on the relevant environmental applications, including quality control aspects as well as data collection. The third part is devoted to relevant applications in food analysis, including validation procedures for screening analysis as well as relevant databases. Outlines basic concepts and principles of gas and liquid chromatography TOF-MS and its application in food analysis Includes quality control and data collection techniques Focuses on environmental implications and safety concerns