Molecular Weight Distributions of Asphaltenes and Deasphaltened Oils Studied by Laser Desorption Ionization and Ion Mobility Mass Spectrometry
β Scribed by Becker, Chris; Qian, Kuangnan; Russell, David H.
- Book ID
- 125940315
- Publisher
- American Chemical Society
- Year
- 2008
- Tongue
- English
- Weight
- 1022 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0003-2700
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π SIMILAR VOLUMES
Matrix-assisted laser desorption/ionization combined with time-of-Γight mass spectrometry (MALDI/TOF-MS) was used for the analysis of low molecular mass compounds. Three classes of molecules were studied : organic acids, salts of oxyanions and amine-based chelating compounds. Mass spectra from sampl
## Dedicated to Prof. Albert Eschenmoser on the occasion of his 75th birthday Seven triterpenes were selected for study of their photoaging behavior by graphite-assisted laserdesorption/ionization mass spectrometry as the primary analytical tool. The triterpenes serve as simplified reference syste