calls for comment to clear away certain misunderstandings. These authors remark 'The present results indicate that vitrinifes of the same level of rank as those studied by R. L. Bond, D. Chandra and I. G. C. Dryden', which were suggested as being isotropic and remaining so during carbonization, are
Optical properties of carbonized vitrinites
โ Scribed by F. Goodarzi; D.G. Murchison
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 888 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0016-2361
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The optical properties at 546 nm of three vitrinites (daf carbon contents 82.5, 88.0 and 93.1%) have been examined after pre-oxidation for 14 days at 105ยฐC and carbonization at intervals of 50ยฐC within the temperature range 300-800ยฐC. In general, pre-oxidation prior to carbonization produces only r
The behaviour of the dispersion curves of refractive and absorptive index of a vitrinite of high-volatile rank oxidized for different periods of time up to 128 days at 105'C supports the suggestion that the aromaticity and/or condensation of the vitrinite rise when it is oxidized. Equivocal optical