--Readme-- Data from SIP measurements (laboratory experiment). The phase and quadrature conductivities (attached) are selected at 1.0 Hz and have been used in the article (Figure 5). --Data-- Sample SW Temperature (°C) In phase conductivity (S/m) Quadrature conductivity (S/m) 20 6.82E-02 7.97E-05 15 5.98E-02 1.26E-04 10 5.25E-02 7.87E-05 5 4.55E-02 7.09E-05 2 4.16E-02 6.62E-05 0 3.91E-02 6.34E-05 -2 3.68E-02 6.06E-05 -4 2.35E-03 4.86E-06 -6 1.50E-03 4.17E-06 -8 1.01E-03 3.04E-06 -10 6.57E-04 1.93E-06 -14 3.43E-04 1.67E-06 -18 1.60E-04 1.16E-06 Sample NW Temperature (°C) In phase conductivity (S/m) Quadrature conductivity (S/m) 20 3.60E-02 7.73E-05 15 3.21E-02 7.15E-05 10 2.94E-02 6.70E-05 5 2.56E-02 5.93E-05 2 2.36E-02 5.52E-05 0 2.23E-02 5.22E-05 -2 2.11E-02 4.91E-05 -4 3.72E-03 3.26E-06 -6 2.56E-03 5.98E-06 -8 1.70E-03 4.36E-06 -10 1.16E-03 3.34E-06 -14 6.73E-04 5.97E-06 -18 3.16E-04 1.54E-06