Ion Formation from Organic Solids

The Second International Conference on Ion Formation from Organic Solids (IFOS II) was held at the University of MUnster, Federal Republic of Germa­ ny, from September 7 to 9, 1982. The subject of the conference was the rapid­ ly developing field of ion formation from ~nvolatile, thermally labile organ­ ic compounds. Rapid progress has been made in this field in the last few years, mainly because of the discovery of unexpected new ionization proces­ ses such as sputtering and laser-induced desorption. The aim of the conference was twofold: to acquire a basic understanding of these "soft" ionization processes on the one hand, and to examine their present and future analytical applications on the other. ~Je sought to bring. together scientists working in fundamental as well as applied research. The participants represented such widely varied fields as pure and applied phys­ ics and chemistry, biochemistry, nuclear and solid-state physics, medicine, and pharmacology. These proceedings contain all of the papers presented at the conference. Six review papers cover the fundamentals of different ionization processes. The authors of these reviews were asked to give up-to-date surveys in­ cluding characteristics of spectra, the influence of excitation parameters, tentative models for ion formation processes, and assessments of their ana­ lytical applications. These reviews are followed by 26 contributed papers dealing with more specialized aspects of the ionization processes and their analytical applications.

Inhalt

1 Field Desorption.- 1.1 Principles of Field Desorption Mass Spectrometry (Review).- 1.2 Analytical Application of Field Desorption Mass Spectrometry (Review).- 2 252Cf-Plasma Desorption.- 2.1 High Energy Heavy-Ion Induced Desorption (Review).- 2.2 Secondary Ion Emission From Metals Under Fission Fragment Bombardment.- 2.3 Fast Heavy Ion Induced Desorption of Molecular Ions from Small Proteins.- 2.4 Problems in Standardization of 252Cf Fission Fragment Induced Desorption Mass Spectrometry.- 3 Secondary Ion Mass Spectrometry (SIMS) Incuding FAB.- 3.1 Secondary Ion Mass Spectrometry of Organic Compounds (Review).- 3.2 Fast Atom Bombardment (Review).- 3.3 Changes in Secondary Ion and Metastable Ion Mass Spectral Patterns with Experimental Conditions.- 3.4 Time-of-Flight Measurements of Metastable Decay.- 3.5 Design and Performance of a New Time-of-Flight Instrument for SIMS.- 3.6 Secondary Ion Emission from Adsorption Layers on Nickel.- 3.7 Secondary Ion Emission from UHV-Deposited Amino Acid Overlayers on Metals.- 3.8 Temperature Dependence of Secondary Ion Emission from Phenylalanine.- 3.9 Matrix Effects on Internal Energy in Desorption Ionization.- 3.10 Mass Spectrometry of Secondary Ions: Polymers, Plasticizers and Polycyclic Aromatic Hydrocarbons.- 3.11 SIMS Studies of Polymer Surfaces.- 3.12 A Comparative Study of Organic Polymers by SIMS and FABMS.- 3.13 Use of a Cesium Primary Beam for Liquid SIMS Analysis of Bio-Organic Compounds.- 3.14 Fast Atom Bombardment Study of Glycerol Mass Spectra and Radiation Chemistry.- 3.15 The Use of FAB for the Solution of Difficult Mass Spectral Problems.- 3.16 Biological and Medical Applications of Organic SIMS.- 3.17 Low and High Resolution FAB Applications in Positive and Negative Ionization Mode.- 4 Laser Induced Ion Formation.- 4.1 Laser Induced Ion Formation from Organic Solids (Review).- 4.2 Time Resolved Laser Desorption.- 4.3 New Developments in Laser Pulse Induced Field Desorption.- 4.4 Thermal Processes in Repetitive Laser Desorption Mass Spectrometry.- 4.5 Laser Mass Spectrometry of Organic Compounds.- 4.6 LAMMA 1000, a New Reflection Mode Laser Microprobe Mass Analyzer, and Its Application to EDTA and Diolen®.- 4.7 Some Experiments on Laser Induced Cationization of Sucrose.- 4.8 Mass Spectrometry of Organic Compounds (?2000 amu) and Tracing of Organic Molecules in Plant Tissue with LAMMA.- 5 Other Ion Formation Processes.- 5.1 Ion Emissions from Liquids (Review).- 5.2 Fast Dust Particles as Primaries - Comparison of Ion Formation with Other Techniques.- Index of Contributors.