Electron capture mass spectrometry is one of the most sensitive and selective techniques for
the analysis of trace amounts of environmental organic contaminants The sensitivity of …

This book contains the electron capture negative ion (ECNI) mass spectra of 361
compounds that are of general environmental interest, including halogenated benzenes and …

Electron monochromators designed for the production of low‐energy electrons (0–15 eV)
with nearly monoenergetic distributions have been available for many decades. The concept …

The responses of selected‐ion monitoring of electron impact mass spectra and selected‐
reagent‐ion chemical ionization mass spectra of polychlorinated biphenyls (PCBs), relative …

An overview of the use of mass spectrometry in environmental organic analysis is presented.
It includes conventional gas chromatography—mass spectrometry with electron impact and …

Sir: Gas chromatography-electron impactionization mass spectrometry (GC-EIMS) is by now
a well established analyt-ical technique (J). Gas chromatography-chemical ionization mass …

I. INTRODUCTION It is widely recognized that electron ionization (EI),* the most common of
the methods of molecular ionization used in organic mass spectrometry, has deficiencies of …

Over 1400 electron ionization mass spectra of selected organic compounds have been
measured under carefully defined conditions. In this paper, the variables such as sample …

The electron capture negative Ion chemical Ionization mass spectra ot electrophorlc
derivatives (perfluoroacyl, pentafluorobenzyl, pentafluorobenzoyl, 3, 5-bls (trlfluoromethyl) …

The electron-impact mass spectra for the chlorophenoxy family of herbicides were obtained
and subsequently exam-ined for their characteristic fragment ions. These mass ions were …