Letter | Published:

Differential Thermal Characteristics of Peat

Naturevolume 180pages14141415 (1957) | Download Citation



THE recent extensive development of controlled-atmosphere differential thermal analysis has enabled systematic investigation of many organic materials to be carried out1. The data for a curve obtained from peat have indeed been quoted by Grimshaw and Roberts1, and Kanavets, Klimov and Chibisova2 have published two curves, one for an ‘upper’ (presumably a zonal or hill) peat and the other for a ‘lowland’ (presumably an intrazonal or basin) peat. These, however, are the only published curves we have been able to trace, and no studies appear to have been made regarding the variation in the complete-combustion differential thermal curve with respect to either botanical composition or degree of humification. From results recently obtained here it appears that the curve may be affected by both these factors.

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  1. 1

    Grimshaw, R. W., and Roberts, A. L., “The Differential Thermal Investigation of Clays”, Mackenzie, R. C., ed., 404 (Mineralogical Society, London, 1957).

  2. 2

    Kanavets, P. I., Klimov, B. K., and Chibisova, K. I., Transactions of the First Congress of Thermography, Kazan, 1953, Berg, L. G., ed., 143 (Akad. Nauk S.S.S.R., 1955).

  3. 3

    McLaughlin, R. J. W., “The Differential Thermal Investigation of Clays”, Mackenzie, R. C., ed., 364 (Mineralogical Society, London, 1957).

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  1. Macaulay Institute for Soil Research, Craigiebuckler, Aberdeen

    • B. D. MITCHELL


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