Small volume rheometer

Friday, 14 January, 2005 | Supplied by: http://www.gbcsci.com/


GBC has released the MFR (Micro Fourier Rheometer) which enables the analysis of very small volumes across a wide frequency range with results in seconds.

The instrument is the result of collaborative research between government and private industry culminating in its commercialisation by GBC. The technology that is incorporated is a pseudo-random squeezing motion. The complex visco-elastic properties are extracted across a wide frequency range at high resolution using Fourier analysis.

The speed of analysis is suitable for measuring the visco-elastic properties of materials that change rapidly with time, for example paints or adhesives. The automatic sample introduction system allows volumes as small as 100 µL (or less) with subsequent cleaning fully performed in seconds.

The software while complex is user friendly and allows a myriad of functions including: visco elastic properties; displacement v time; force v time; displacement v frequency; transfer function; G v frequency; and eta v frequency.

These, and many others, can be both graphically displayed as well as used in full data analysis.

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