Last edited by Mushicage
Tuesday, August 4, 2020 | History

2 edition of Ion-molecule reactions in oxygen-containing compounds. found in the catalog.

Ion-molecule reactions in oxygen-containing compounds.

Felix Kwasi Amenu-Kpodo

Ion-molecule reactions in oxygen-containing compounds.

by Felix Kwasi Amenu-Kpodo

  • 105 Want to read
  • 4 Currently reading

Published in [Toronto] .
Written in English

    Subjects:
  • Ionization of gases,
  • Molecules

  • Edition Notes

    ContributionsToronto, Ont. University.
    Classifications
    LC ClassificationsLE3 T525 MA 1966 A64
    The Physical Object
    Paginationv, 63 leaves,
    Number of Pages63
    ID Numbers
    Open LibraryOL14746307M

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Ion-molecule reactions in oxygen-containing compounds by Felix Kwasi Amenu-Kpodo Download PDF EPUB FB2

Protonated oxygen-containing monofunctional compounds react with selected methoxyborane reagents by proton transfer followed by nucleophilic substitution of methanol at the boron atom in a Fourier transform ion cyclotron resonance mass spectrometer.

The derivatized oxygen functionality can be identified by H/D exchange, collision-activated dissociation, or certifiedneighborhoodspecialist.com by: Ion-molecule reactions in oxygen-containing compounds.

book “Ion-Molecule Reactions of Trimethylborate Allow the Mass Spectrometric Identification and Counting of Functional Groups in Protonated Bifunctional Oxygen-Containing Compounds and Polyols”, J.

Somuramasami, P. Duan, certifiedneighborhoodspecialist.coms, B.E. Winger, H.I. Kenttämaa,Int. Mass Spectrom. Ion Processes () Jul 06,  · Different types of compounds, including monoterpenes and their oxygen-containing derivatives (ketones and alcohols), aromatic hydrocarbons, sesquiterpenes, and their alcoholic derivatives, were identified by ion–molecule reactions involving CCl 3 +.

A variety of structurally diagnostic products are generated in these certifiedneighborhoodspecialist.com by: 7. Ion-Molecule Reactions for Mass Spectrometric Identification of Functional Groups in Protonated Oxygen-Containing Monofunctional Compounds Article in Analytical Chemistry 76(4) · March.

An Ion/Molecule Reaction for the Identification of Analytes with Two Basic Functional Groups A mass spectrometric method is presented for the identification of analytes with two basic functionalities and PA between and kcal/mol, including diamines.

This method utilizes gas-phase ion–molecule reactions of protonated analytes with Cited by: 6. The isomerization process between ionized phenol and ionized cyclohexadienone is studied by performing ion/molecule reactions with several alkyl nitrites in a hexapole collision cell inserted in a.

Abstract. Several lignin model compounds were examined to test whether gas-phase ion–molecule reactions of trimethylborate (TMB) in a FTICR can be used to differentiate the ortho- meta- and para-isomers of protonated aromatic compounds, such as those formed during degradation of lignin.

Ion-molecule reactions of trimethylborate allow the mass spectrometric identification and counting of functional groups in protonated bifunctional oxygen-containing compounds and polyols International Journal of Mass Spectrometry.

where e +, γ, and ν are a positron, a gamma ray, and a neutrino, certifiedneighborhoodspecialist.com 12 C/ 13 C ratio resulting from the CNO cycle is in the range of 15 to The CNO cycle proceeds in the shells of the red giant stars that contain high levels of carbon, where the conversion of 12 C to 13 C, and to 14 N and 15 O, proceeds after the bulk of the hydrogen has been converted to He.

Nov 22,  · A mass spectrometric method is presented for the identification of analytes with two basic functionalities and PA between and kcal/mol, including diamines. This method utilizes gas-phase ion-molecule reactions of protonated analytes with neutral 1,1-diethoxyethene (DEE) in a Fourier transform ion cyclotron resonance mass spectrometer Cited by: 6.

Abstract. We report here a comparison of the use of diagnostic ion–molecule reactions for the identification of oxygen-containing functional groups in Fourier-transform ion cyclotron resonance (FTICR) and linear quadrupole ion trap (LQIT) mass spectrometers. The gas-phase ion−molecule reactions of neutral alanylglycine have been examined with various mass-selected acylium ions RCO+ (R= CH3, CD3, C6H5, C6F5 and (CH3) 2N), as well as the transacylation reagent O-benzoylbenzophenone in a Fourier transform ion cyclotron resonance mass spectrometer.

Reactions of the gaseous dipeptide with acylium ions trapped in the ICR cell result in the formation Cited by: Dec 01,  · Thermal ion-molecule reactions in dimethyl ether - trioxane mixtures have been studied with a time-of-flight mass spectrometer. The appearance potentials and ionization efficiency curves of product and major fragment ions were measured by an RPD certifiedneighborhoodspecialist.com: Minoru Kumakura, Toshio Sugiura.

Oxygen-Containing Compounds A. Aliphatic Alcohols B. Aliphatic Ethers Conventions Used in This Chapter and Throughout the Book This is a typical graphical representation of a molecule, n-propanol: H batch inlet, or direct insertion probe), to minimize ion/molecule collisions.

Read the latest articles of International Journal of Mass Spectrometry and Ion Physics at certifiedneighborhoodspecialist.com, Elsevier’s leading platform of peer-reviewed scholarly literature from the molecular ions of some isomeric C 8 H 7 N compounds, studied by field ionization kinetic and kinetic select article Thermal ion-molecule reactions in.

Completely revised and updated, this text provides an easy-to-read guide to the concept of mass spectrometry and demonstrates its potential and limitations.

Written by internationally recognised experts and utilising real life examples of analyses and applications, the book presents real cases of qualitative and quantitative applications of mass spectrometry. Unlike other mass spectrometry. Unfortunately, this book can't be printed from the OpenBook.

If you need to print pages from this book, we recommend downloading it as a PDF. Visit certifiedneighborhoodspecialist.com to get more information about this book, to buy it in print, or to download it as a free PDF.

The ions generated from atmospheric or dopant molecules undergo ion-molecule reactions with the sample molecules to produce analyte ions.

Analytes with low ionization energy may be ionized directly. The DART ionization process can produce positive or negative ions depending on the potential applied to the exit electrode.

Jul 09,  · Completely revised and updated, this text provides an easy-to-read guide to the concept of mass spectrometry and demonstrates its potential and limitations. Written by internationally recognised experts and utilising "real life" examples of analyses and applications, the book presents real cases 4/5(1).

Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can.

Chem.,56, 1. [ all data ]. Completely revised and updated, Introduction to Mass Spectrometry: Instrumentation, Applications, and Strategies for Data Interpretation, Fourth Edition provides .Dec 04,  · Introduction to Mass Spectrometry by J.

Throck Watson,available at Book Depository with free delivery worldwide/5(8).Full text of "Added resolution elements in tandem mass spectrometry for chemical analysis" See other formats.