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ELECTRON-CAPTURE NEGATIVE IONIZATION CALIBRANTS FOR MAGNETIC SECTOR MASS SPECTROMETERS
Citation:
Brilis, G.M. AND W.C. Brumley. ELECTRON-CAPTURE NEGATIVE IONIZATION CALIBRANTS FOR MAGNETIC SECTOR MASS SPECTROMETERS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-90/224 (NTIS PB91117143), 1990.
Description:
Fomblin poly(perfluoropropylene oxide). FK (perfluorokerosene) and FC-43 (perflurotributylamine) are investigated as mass calibrants in electron-capture negative ionization mass spectrometry on a magnetic sector hybrid mass spectrometer. This work provides exact negative ion mass tables of these three calibrants obtained using high-resolution peak matching of representative ions of the calibrants against ions of known mass. he suitability of these calibrants for full data system control in the negative ionization mode is demonstrated for the techniques of high-resolution scanning, selected ion recording and calibration of the quadrupole sector of a hybrid instrument.
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ELECTRON-CAPTURE NEGATIVE IONIZATION CALIBRANTS FOR MAGNETIC SECTOR MASS SPECTROMETERS