Table 4.9. Temperature Coefficient
Of Dielectric Constant Of Various Body Tissues
[100 (/) / °C] (Schwan, 1954)

Frequency (MHz)
Type of Tissue		50		200		400		900
Muscle		0.3		---		- 0.2		- 0.2
Liver		0.3		0.2		- 0.2		- 0.4
Spleen		1.0		---		---		---
Kidney		0.5		0.2		- 0.2		- 0.4
Brain		1.1		---		---		---
Blood		0.3		---		---		---
Serum and 0.9% saline		- 0.4		- 0.4		- 0.4		- 0.4
Fat		---		1.3		---		1.1