Validating High-Temperature Gas–Solid Experiments with CI Precision Microbalances

CI Precision microbalances support microbalances for university research laboratory validation, enabling institutions like Eindhoven University to validate complex experiments under extreme thermal and pressure conditions.

This case study from Eindhoven University of Technology (TU Eindhoven) shows how CI Precision systems delivered stable, repeatable data under extreme conditions.

Project Requirements

The TU Eindhoven team required microbalances that could:

  • Operate at temperatures up to 1200 °C

  • Withstand 200–300 test cycles and 20–50 hour stability runs

  • Integrate with custom TGA systems

  • Handle sample sizes from 40 μm to 1 cm

  • Deliver reliable data for reactor design validation

The CI Precision Solution

The department had used one CI Precision recording microbalance successfully for over four years.

Based on its performance, they selected a second unit for a new experimental rig.

Supplied in modular kit form, the CI Precision system integrated easily into their custom-built TGA setups—without redesigning existing equipment.

The systems supported:

  • Long-duration experiments with minimal drift

  • Fast reconfiguration between test campaigns

  • Accurate tracking of small mass changes under thermal and pressure stress


Outcome

By using CI Precision microbalances, TU Eindhoven achieved:

  • High repeatability in demanding test conditions

  • Trusted data for academic publication and system design

  • Full integration into bespoke lab systems

  • Strengthened internal validation protocols for research-grade experimentation

Key Project Stats:

  • Operating temperature: Up to 1200 °C
  • Experiment duration: 20–50 hours per stability test
  • Cyclic testing: 200–300 cycles (≈30 minutes per cycle)
  • Sample size range: ~40 microns to 1 cm
  • Deployment duration: 4+ years of continuous use
  • System integration: Custom-built TGA systems
  • Test frequency: Weekly experimental campaigns
  • Measurement outcome: Stable, repeatable mass data under high thermal stress

"The stability is very high compared with the other balances we have. The precision is also very high, and most importantly very good reproducibility of the results. The cost to replace an old balance was also very affordable."

“We are very happy with the support from CI. They have helped us when having some issues with the balance. They also helped a lot while we were designing the high pressure system.”

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