Laboratory investigation of the thermoelectric effect in clean silica sands, A
The effect of thermoelectric coupling on self-potential was investigated by applying a temperature gradient to unconsolidated sands fully saturated by saline (NaCl) solutions. Thus far, very few published investigations have taken into account the effect of temperature on the electrodes and the ionic strength of the pore water, generating spurious diffusion potentials typically on the same order of magnitude as the thermoelectric effect. For this investigation, 25 experiments are conducted to test the influence of salinity upon the thermoelectric coupling coefficient over four orders of magnitude ...
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