Intelligent Instrument for Measuring Eutectic and Co-Melting Point of Freeze-Drying Material

Xue Liu; Chuan Wei Huang; Si Wei Li; Xiao Wei Fan

doi:10.4028/www.scientific.net/AMM.519-520.1164

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 519-520Intelligent Instrument for Measuring Eutectic and...

Intelligent Instrument for Measuring Eutectic and Co-Melting Point of Freeze-Drying Material

Abstract:

The intelligent instrument for measuring eutectic and co-melting point of freeze-drying material were designed based on resistivity method. Series and parallel joint divide voltage method were designed to increased the measurement rang of impedance. The Relative error of the impedance measuring method was tested. The results show that in the measurement range of 1kΩ~9000kΩ, the relative error of the impedance is less than 8%. Determinant for the eutectic and co-melting point was choosed according to the temperature-impedance curve. Several material were tested, the experiment results show that the instrument can measured the eutectic and co-melting point automatically.

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Periodical:

Applied Mechanics and Materials (Volumes 519-520)

Pages:

1164-1168

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.519-520.1164

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Online since:

February 2014

Authors:

Xue Liu, Chuan Wei Huang*, Si Wei Li, Xiao Wei Fan

Keywords:

Co-Melting Point, Eutectic Point, Freeze-Drying, Resistivity Method

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