Biological Magnetic Resonance Data Bank Search ArchiveDeposit DataNMR StatisticsSpectroscopists' CornerProgrammers' CornerHome Site MapFTP AccessStructural Genomics and other "omics"MetabolomicsEducational OutreachNMR Data FormatsWWW Sites News About BMRB Feedback FTP Access BMRB List Server BMRB Data Listed By: Biomolecular Highlight: Lysozyme Search BMRB Data Browser, FASTA Search of BMRB, NMR Restraints, Time-domain Data Sets Deposit Data ADIT N ...

Instrumentation and Ionization Methods Tutorial Ionization Methods EI, CI Electron ionization (EI) is widely used in mass spectrometry for relatively volatile samples that are insensitive to heat and have relatively low molecular weight. The spectra, usually containing many fragment-ion peaks, are useful for structural characterization and identification. Small impurities in the sample are easy to detect. Chemical Ionization (CI) is applied to similar samples; it is used to enhance the ...

Better Instrumentation and Measurements through Spectrochemical Research The Laboratory for Spectrochemistry (LFS) has several missions: 1) to develop spectrochemical measurements and instrumentation; 2) to characterize spectrochemical events and systems fundamentally through experimental measurements and theoretical modeling; 3) to solve practical problems through spectrochemical techniques; and 4) to integrate spectrochemical measurements and instrumentation with other techniques. Research in the LFS ranges from plasma physics to chemical sensors and includes both optical and mass spectrometry. Areas of application include on-site monitoring, environmental science, bioanalysis, and materials chemistry. ALUMNI: PLEASE UPDATE YOUR INFORMATION BY CLICKING HERE

Home > Troubleshooting FTIR Troubleshooting Using our vast FTIR service experience we have compiled this list of symptoms and causes for ailments common to all FTIR systems, regardless of the vendor. This list will be updated frequently. Please contact us with suggestions or inquiries. DISCLAIMER: Many of the suggestions provided here should only be performed only by a qualified service engineer. High voltages may be present. Laser light is potentially harmful to your ...

The Mass Spec Detector Mass Spectral Interpretation GC/MS Data MS Examples Test your knowledge. This 'short course' is designed as an introduction to the use of a Mass Spectrometer as a GC detector. Lecture slides can be viewed by selecting a topic above. This material is copyright (C) 2004 James K. Hardy and The University of Akron. This material was last updated on . Table of Common Fragments. Table of Common Losses. Please contact James K. Hardy if you have any questions or comments. The views and opinions expressed in this page are strictly those of the page author. The contents of this page have not been reviewed or approved by The University of Akron.

Introduction to Mass Spectrometry An introductory tutorial for students at the University of Arizona -- contents: INTRODUCTION: a brief description of a quadrupole instrument, information provided by an EI mass spectrum (including a table of common isotopes), a listing of other methods, and some helpful websites EXAMPLES: characteristic fragments observed in compounds presented by functional group INTERPRETATION: the basic steps to interpret an EI mass spectrum QUIZZES: Each quiz listed below is designed to help you learn how to interpret EI mass spectra AlcoholsAlkanesAminesEstersHalides AldehydesAmidesCarboxylic acidsEthersKetones Written by L.Breci breci@u.arizona.edu

Scientific Instrument Services, Inc. Supplies and Services for Mass Spectrometers, Gas Chromatographs and Liquid Chromatographs Search: HomeProductsCatalogServicesMachiningReferencesCustomersDealersCompany Application Notes | Adsorbent Resins | MS Tips | Newsletter | MSDS | MS Tools MS Tools Mass Spec Tools is designed to be an information source for the mass spectrometer community. We hope that the following information, tools, and references will be of use to you. If you hav ...

By Uwe Oehler (Thanks to Yu Fei Cai for corrections and comments) [To Dr. Iguana Does Chemistry] Contents Introductory Comments Theory of NMR Introductory Comments Spin The External Magnetic Field Precession Energies Population Distribution The NMR experiment The NMR Spectrum Introductory Comments Shielding and Deshielding - Chemical Shift Chemical Shift - Electronegativity Chemical Shift - -System Ring Currents Integration and Saturation Dipolar Coupling Second Order Coupling Effects Relaxation and Linewidths Quadrupolar Coupling Interpreting the NMR Spectrum Introductory Comments Instrumentation Introduction CW Instruments Pulse Instruments

University of Erlangen-Nuremberg, Institute of Organic Chemistry Auditory Presentation of Free Induction Decay (FID) Signals Generated by NMR Spectrometers or Copyright © 1996 Walter Bauer, Institute of Organic Chemistry, University of Erlangen-Nuremberg, Germany Dedicated to Prof. Dr. Dr. h. c. Dieter Seebach on the occasion of his 60th birthday This is an article written for the WWW. To read this article, you may either go from top to bottom by clicking th ...

Nuclear Magnetic Resonance 1/23/98 Click here to start Table of Contents Nuclear Magnetic Resonance Proton NMR Magnetic moment precess in a magnetic field Energy Difference Resonance Resonance Detection Fourier Transform Chemical Shift Chemical Shift (cont.) Tetramethylsilane Chemical Shift (cont.) Chemical Shift (cont.) Electronegativity Influences Chemical Shifts A Spectrum Diamagnetic Anistropy Aromatics Some chemical shifts Magnetic Equivalence More Spin-spin ...

Scripps Center for Mass Spectrometry Home MS History Research Publications Personnel Services SANDMAN METLIN Statistics This website has been updated The information you have requested will most likely be found by navigating the links provided on the left.

sdbs

Welcome to the Society for Applied Spectroscopy Your Portal to Spectroscopy on the Internet Mission The Society for Applied Spectroscopy is a nonprofit organization formed to advance and disseminate knowledge and information concerning the art and science of spectroscopy, and other allied sciences, to advance the professional standing and growth of the Society and its members, to coordinate cooperative endeavors of its individual members and sections, and to promote and ...

The Basics of NMR is an introductory hypertext book on nuclear magnetic resonance spectroscopy. NMR spectroscopy is an instrumental technique used by scientists to determine structure and dynamical information about molecules. One of the most difficult things to comprehend about NMR is the dynamical nature of its principals. This website combines text, figures, and animations to explain NMR spectroscopy. The website has been of value to students wishing to learn about NMR, educators teaching the principals of NMR, and researchers wishing to check a quick fact about NMR. The website requires no special plugins to be viewed.

Problems in NMR and IR Spectroscopy Welcome to WebSpectra - This site was established to provide chemistry students with a library of spectroscopy problems. Interpretation of spectra is a technique that requires practice - this site provides 1H NMR and 13C NMR, DEPT, COSY and IR spectra of various compounds for students to interpret. Hopefully, these problems will provide a useful resource to better understand spectroscopy. This project is supported by Cambridge Isotope Laboratories an ...

Click Here for an Index search. Browse through the Global Instructional Chemistry pages. NMR Spectroscopy. Principles and Application. Six second year lectures given at Imperial College by Henry Rzepa. http://www.ch.ic.ac.uk/local/organic/nmr.html Index of Lectures Pre-amble What Nuclear Magnetic Resonance Can Measure Principles of Nuclear Magnetic Resonance A Collection of Identical Protons A Collection of Different Protons The Situation for Other Nuclei How to D ...