TABLE 1

Parameters of Chosen Fluids

Mediumεrσ in (S/m)
Water (demineralized)75.680.003
Water (1 L) + 3.75 g of NiSO477.570.192
Water (1 L) + 3.75 g of NiSO4 + 5 g of NaCl72.841.109
Monoethylene glycol39.410.022
Triethylene glycol21.660.020
Emulsion (75% oil, 25% water)12.380.007
Oil2.680.001
  • Measurements were performed at resonance frequency of 125.5 MHz (∼Larmor frequency at 3 T) at 23°C (73.4°F). Substances are listed according to decreasing εr from water to oil.