## Abstract The infraโred absorption spectra of a number of 2โmonosubstituted and 2: 5โdisubstituted furan derivatives have been measured over the frequency range 2000โ700 cm.^โ1^. Two bands at approximately 1225 cm.^โ1^ and 1020 cm.^โ1^ are characteristic of the furan ring and other tentative assi
Characteristic infra-red absorption frequencies of substituted naphthalenes
โ Scribed by J.G. Hawkins; E.R. Ward; D.H. Whiffen
- Publisher
- Elsevier Science
- Year
- 1957
- Weight
- 253 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0371-1951
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๐ SIMILAR VOLUMES
## Synopsis A general formalism is developed for the calculation of the density and temperature dependence of the intensity of forbidden rotation-vibration bands that are induced by the intermolecular forces. Expressions are derived for the integrated absorption coefficients, and a qualitative dis
R esear ch Notes ## Discussion Nou s avons examine divers t emps de preflamb age et const ate que 5 sec suffisent pour que l'etincelle soit st able. Une duree plu s grande est nui sible a la sensibilite pui squ 'elle augmente sensiblement Ie fond spect ral. La preci sion est sat isfaisante. Par