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The Mineral Albertite, Strathpeffer, Ross-shire

Published online by Cambridge University Press:  14 March 2018

W. Morrison
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Extract

This body is a hydrocarbon which has been classed under the Asphalt group ; but, unlike Asphalt, it does not melt at 100°C., nor is it at all soluble to the extent Asphalt is in such solvents as ether, oil of turpentine, benzol or carbon disulphide. When heated in a closed tube it shows incipient melting after intumescing, but, at the same time, it decomposes into its constituent gases. This chemical change takes place at 300°C. In the above solvents about 5 per cent. of bitumen is obtained. Carbon disulphide softens the mass throughout to a pasty consistence.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 6 , Issue 28 , December 1884 , pp. 101 - 103
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1884

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