The IGAsorp DVS analyzer from Hiden Isochema

The IGAsorp is a fully automated compact bench-top dynamic vapor sorption (DVS) analyzer, for fast and accurate sorption measurements using the dynamic flow technique for water and organic vapors.

The measured vapor uptake and kinetics are used to characterize and understand materials in precisely defined environmental conditions.

The IGAsorp has an ultra-sensitive microbalance which measures the weight of the sample as a function of humidity and temperature. Multiple sensors at the sample position allow precise feedback control of the experimental parameters. Humidity is determine by relative mixing of wet and dry gas streams which is measured and regulated at the sample position. The temperature is controlled by active feedback fluid circulation.

Types of measurements that can be recorded:

  • Isotherm and kinetic analysis
  • Cyclic/lifetime studies
  • Moisture content determination
  • Hydrate analysis
  • Permeation and diffusion studies (MVTR)
  • Amorphous phase detection

Types of materials that can be tested:

  • Polymers
  • Textiles
  • Pharmaceuticals
  • Porous materials
  • Packaging materials
  • Building and construction materials
  • Food products and other consumables
  • Wood, fibres, clays and other natural materials

Our IGAsorp gravimetric dynamic vapor sorption analyzer is firmly established as a market leader and is used in many high profile academic, R&D and manufacturing environments within the UK and worldwide

Hiden Isochema is a world leader in the design and manufacture of sorption instruments for research, development and production applications.  Our full product range includes manometric and gravimetric gas and vapor sorption analyzers, breakthrough analyzers and unique climate control systems.

Contact us to find out more about any of our instruments, email, call +44 (0)1925 244678 or visit our website


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