The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.
Asphaltene Molecular Size and Structure
Abstract
The rotational correlation times of individual asphaltene molecules have been determined using fluorescence depolarization techniques, addressing an active, long-standing controversy. Using simple theoretical models and using model-independent comparisons with known chromophores, a range of asphaltene molecular diameters is obtained of 10−20 Å. Comparison with corresponding data of known chromophores indicates a molecular mass for asphaltene molecules of 500−1000 amu. Furthermore, we have performed the first direct measurement correlating molecular size with constituent chromophore size; we establish that the bulk of asphaltene molecules possess 1 or 2 (aromatic) chromophores per molecule. Similar results are found for the largest aromatic molecules of the de-asphaltened crude oil.
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Cites
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Cited by
Unraveling the Molecular Structures of Asphaltenes by Atomic Force Microscopy
Schuler, B., Meyer, G., Peña, D., Mullins, O. C., & Gross, L. (2015) · Journal of the American Chemical Society · doi:10.1021/jacs.5b04056 · Cited by 709
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Self-citationBrief Review of the Chemistry of Polyphosphoric Acid (PPA) and Bitumen
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Metadata
- Authors
- Groenzin, H., & Mullins, O. C.
- Venue
- The Journal of Physical Chemistry A
- Publisher
- American Chemical Society (ACS)
- Published
- 1999-11-09
- Volume
- 103
- Issue
- 50
- Pages
- 11237-11245
- ISSN
- 1089-5639 (ISSN-L)
- 1520-5215
- OpenAlex
- W1989383039
- Cited by
- 537
- References
- 16
- FWCI
- 4.53
- Type
- journal article
- Language
- en
- Open access
- closed
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