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Identification of micro-scale calorimetric devices

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Abstract

An improved accuracy is researched in flat and silicon based nano-calorimeters related to fluid reaction via drop-to-drop 'reaction' or via a steady state in continuous injection of two reactants inside a working chamber. Two types of the experimental aspects of the sensitivity changes, related to 3-D effects, are described: drop effects and volume rate effects. To increase the accuracy, well-controlled joule measurements are dissipated in the manufacturer resistance and in several resistances in carefully controlled experiments. The shape factor (SF) values reduce the manufacturer's joule sensitivity up to fifty per cent. a working methodology is proposed: the results are compared with the standard TRIS reaction. The results suggest that the systematic error can be reduced to ±5%.

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Authors and Affiliations

  1. Cirg-DFA-Etseccpb, Polytechnical University of Catalonia c/, Gran Capità, s/n, Campus Nord b-4, e-08034, Barcelona, Spain

    C Auguet & V Torra

  2. Institute of Physical Chemistry, tu Bergakademie Freiberg, Leipziguer str. 29, d-09596, Freiberg/Sachsen, Germany

    J Lerchner & G Wolf

Authors
  1. C Auguet
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  2. J Lerchner
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  3. V Torra
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  4. G Wolf
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Correspondence to V Torra.

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Auguet, C., Lerchner, J., Torra, V. et al. Identification of micro-scale calorimetric devices. Journal of Thermal Analysis and Calorimetry 71, 407–419 (2003). https://doi.org/10.1023/A:1022831204938

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  • DOI: https://doi.org/10.1023/A:1022831204938

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