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This equipment is part of the UCA-PARTNER service of Clermont Auvergne University

For all requests for information and services:

Lawrence FREZET, Service Manager
CNRS Engineer
Such. :


- Double resonance cavity allowing to analyze a sample and a reference under the same conditions.

- In situ UV-visible irradiation device (xenon lamp Xenovia) with or without optical filters.

- Possible measurements on powders or liquids (for measurements in aqueous medium, a specific quartz cell is available). Inerting the samples and the cavity by scanning neutral gases (nitrogen, argon).

- Software acquisition suite (WinAquisit), data processing (WinEPR) and simulation (WinSimfonia 6).