The 9.3547 GHz complex permittivity of water in the temperature interval 0–10 °C

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Abstract
This paper reports the results of a high precision study of the 9.3547 GHz complex permittivity of water in the temperature interval from 0–10°C. Measurements were made in ≈0.5 °C steps in the interval 0–5°C and ≈1.0 °C steps in the interval 5–10 °C. The precision for the permittivity and for the dielectric loss was typically ≈0.03% and ≈0.04%, respectively, whereas the accuracy is better than 0.15%. The values of the permittivity ε′(T), the dielectric loss ε″(T), the attenuation per unit length α(T), and the phase shift per unit length β(T) have been fitted to the empirical polynomial expressions[Formula: see text]

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