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We show a simple method of measuring thermal conductivity and thermal diffusivity of liquids. For this we used stacked liquid calorimeter chips fabricated with thin film membranes for optimum thermal isolation of the sample under test. DC joule heating allows measurement of conductivity, AC joule heating allows measurement of diffusivity. We measured the response for iso-propanol (IPA), methanol and...
In this paper we report on a microfluidic device for contactless liquid conductivity detection realized in Low Temperature Co-fired Ceramics (LTCC). An opposite-electrode arrangement serving as the detector is situated on the outside of the device, avoiding direct contact with the fluid. The excitation signal gets coupled into the microfluidic channel through the LTCC wall. Ceramic tapes with higher...
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