Pharma, Cosmetics - Determining the Rheological Properties of Pharmaceutical Products

The rheological characterisation of microemulsions with the Rotational Rheometer RheolabQC gives essential information about their properties and the customer’s evaluation of the end product.

How the RheolabQC can help you in quality control as well as in research and development of your microemulsions

Microemulsions are often used as the base for gels and lotions in the pharmaceutical industry. Continuous quality control of these microemulsions is essential in order to achieve consistently high quality and long-term stability of the end product despite the often immense production volume.The rheological behavior of microemulsions is controlled by adding different additives during the manufacturing process. Constantly checking rheological properties like the yield point, viscosity and thixotropic behavior guarantees a consistently high product quality. These measurements are also useful for product evaluation in the development department and are particularly important for the customer's evaluation of the end product.The Rotational Rheometer RheolabQC is the instrument of choice for applications in the pharmaceutical industry. Anton Paar offers a unique Pharma Qualification Package to help customers in the pharmaceutical industry to qualify their instruments. Many accessories like, for example the cylindric measuring system CC27 according to ISO 3219 and DIN 53019 help to make rheological measurements routine and easy. 

The Anton Paar Rotational Rheometer RheolabQC 

RheolabQC is a rotational rheometer designed especially for the quality control, featuring a high precision encoder and a highly dynamic EC motor.  

  • You can choose between operating the rheometer stand-alone or software-controlled with RheoCompass™, a modern and highly intuitive rheometer software.
  • RheolabQC can be operated with a huge variety of accessories. The automatic component recognition Toolmaster™ ensures error-free selection of the measuring systems.
  • Anton Paar offers a unique Pharma Qualification Package that fulfills all requirements of GMP, GAMP5, 21 CFR Part 11 and USP<1058>.

Learn more about the RheolabQC

Good to know

Information about the viscosity at different temperatures gives valuable information about processing behavior and also about acceptance of the product by the end user.



The sample’s viscosity at temperatures from 10 to 40 °C was measured. The viscosity decreases with increasing temperature.

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Other relevant instruments

Anton Paar rheometers from the MCR series are also often used for applications in the pharmaceutical industry.