## Abstract For Abstract see ChemInform Abstract in Full Text.
Collisional activation mass spectrometry of doubly charged ions from hexachlorobiphenyl isomers
β Scribed by Frank van der Valk; Peter G. Wester; Wigger Heerma
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 130 KB
- Volume
- 18
- Category
- Article
- ISSN
- 1076-5174
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π SIMILAR VOLUMES
## Abstract | ββI. | Introduction | 159 | | βII. | Experimental Techniques | 160 | | | A.ββGasβPhase MultipleβCollision Activation (MCAβCID) | 160 | | | ββββ1.ββOnβResonance Excitation | 160 | | | ββββ2.ββOffβResonance Excitation | 161 | | | ββββ3.ββDistribution of the Number of Collisions | 16
A number of cyclic aromatic anhydrides have been found to exhibit doubly-charged positive ions in their field desorption mass spectrum which correspond to the formal loss of oxygen dianion followed by clustering with a neutral molecule. Admixtures of two anhydrides, which both exhibit this phenomeno