Complex permittivity of D2O at 35 GHz over the temperature range 4–62.5°C
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Transactions of the Faraday Society
- Vol. 65, 1519-1522
- https://doi.org/10.1039/tf9696501519
Abstract
A microwave bridge operating at a frequency of 34.85 GHz was used to measure the complex permittivity of D2O over a temperature range 4–62.5°C. A precision of 0.12 was achieved in both ε′ and ε″. The results have been analysed to provide values of the relaxation time τ0 and the real component of the permittivity at high frequencies ε∞. The predicted value of this latter parameter is consistent with recent permittivity and absorption measurements carried out in the far infra-red.Keywords
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