02Time of flight (TOF) mass spectrometry is an important analytical technique. A mixture of three compounds is analysed using a TOF mass spectrometer.The mixture is ionised using electrospray ionisation.The three compounds are known to have the molecular formulas:C3H5O2N C3H7O3N C3H7O2NS0 2....
A method of time-of-flight mass spectrometry adapted for the analysis of ions up to a required mass limit comprises the following sequences of events:(a) producing, during a first time interval, a pulse of charged particles,(b) directing said charged particles towards the entrance of a mass...
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Tandem time-of-flight (TOF/TOF) mass spectrometry and the curved-field reflectron The curved-field reflectron (CFR), when used as the second mass analyzer in a tandem time-of-flight mass spectrometer, provides a design that enables the u... RJ Cotter,W Griffith,C Jelinek - 《Journal of...
Plasma sourcetime-of-flight mass spectrometryis a powerful tool for elemental speciation analysis through the use of a modulated or pulsed ionization source that provides both atomic and molecular fragmentation information (Leachet al.,2003). Its use has been documented, among others, for the an...
飞行时间---次级离子质谱分析法 secondary ion mass spectrometry 网络释义 secondary ion mass spectrometry:次级离子质谱分析法 | 次级离子质谱法
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Time-of-Flight Mass Spectrometry Technical Overview John Fjeldsted Agilent Technologies Introduction Time-of-flight mass spectrometry (TOF MS) was developed in the late 1940's, but until the 1990's its popularity was limited. Recent improvements in TOF technology, including orthogonal accelera- tion...
A method and apparatus for performing time of flight mass spectrometry wherein the number of sums of transients taken for generating a given spectra is determined as a function of a characteristic of the incoming data for that spectrum. For instance, the number of transient measurements taken for...
Matrix-assisted laser desorption ionization time-of-flightMALDI-TOF mass spectrometry (MS) is now widely recognized as a powerful tool with which to identi... C.,Cassagne,F.,... - 《Clinical Microbiology & Infection》 被引量: 25发表: 2014年 Quantitative reference-free express analysis of som...