Application of Two-Step Laser Mass Spectrometry to Cosmogeochemistry: Direct Analysis of Meteorites
- 25 March 1988
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 239 (4847), 1523-1525
- https://doi.org/10.1126/science.239.4847.1523
Abstract
Polycyclic aromatic hydrocarbons in C1, C2, and C3 carbonaceous chondrites and in some ordinary chondrites have been directly analyzed by two-step laser desorption/ laser multiphoton ionization mass spectrometry, a selective and sensitive method requiring only milligram samples. At the ionization wavelength of 266 nanometers, parent ion peaks of polycyclic aromatic hydrocarbons dominate the mass spectra. Quantitative analysis is possible; as an example, the concentration of phenanthrene in the Murchison meteorite was determined to be 5.0 parts per million.Keywords
This publication has 26 references indexed in Scilit:
- Interstellar Polycyclic Aromatic Hydrocarbons and Carbon in Interplanetary Dust Particles and MeteoritesScience, 1987
- Determination of phenylthiohydantoin-amino acids by two-step laser desorption/multiphoton ionizationAnalytical Chemistry, 1987
- A general soft ionization method for mass spectrometry: Resonance‐enhanced multi‐photon ionization of biomoleculesJournal of Mass Spectrometry, 1986
- Biomolecules in the gasphase. II. Multiphoton ionization mass spectrometry of angiotensin IJournal of Mass Spectrometry, 1986
- On the reported optical activity of amino acids in the Murchison meteoriteNature, 1983
- Nitrogen-heterocyclic compounds in meteorites: significance and mechanisms of formationGeochimica et Cosmochimica Acta, 1981
- Aromatic Hydrocarbons in the Murchison MeteoriteScience, 1971
- Amino Acid Analyses of the Murchison, Murray, and Allende Carbonaceous ChondritesScience, 1971
- Amino-acids, Aliphatic and Aromatic Hydrocarbons in the Murchison MeteoriteNature, 1971
- Meteorite Fail at Pueblito de Allende, Chihuahua, Mexico: Preliminary InformationScience, 1969