microESR Small, Portable Research Grade Spectrometer

The microESR from Bruker is a small, portable research grade instrument. The spectrometer has a 30.5 x 30.5 x 30.5 cm3 foot print and a mass of only 10 kg. It can effortlessly fit in a glove box or fume hood, or be transported to the field. This new instrument does not require any regular maintenance or special installation.

This spectrometer is considered to be an ideal teaching tool that can be used in undergraduate chemistry labs. It allows classroom demonstrations of simple topics such as free radicals in everyday life. The instrument also enables demonstrations of far less intuitive subjects such as forbidden transitions, spin-spin exchange, spin-orbit coupling and electron density. The Education Package is an extremely good investment for Chemistry Departments due to the existence of an increasing variety of subjects and labs that can be addressed with the microESR.

  • Continuous wave
  • Spectrum simulation and fitting
  • Operating frequency: X-Band
  • Field sweep range: 500 G centered at g=2
  • Effortlessly run samples at liquid nitrogen temperature


The key allocations of the microESR are as follows:

  • Materials Science
    Polymer degradation
  • Biology/Biochemistry/Biomedical
    Spin labeling, nitric oxides, spin trapping, RNS and ROS
  • Chemistry
    Reaction kinetics, DNP, catalysts, free radical chemistry
  • Industry
    Free radicals in polymers and polymerization, thermoxidative breakdown of fuel and lubricants, petrochemistry, real time analysis of additives, antioxidants in fuels and lubricants
  • Education
    Educational package optimized for teaching undergraduate chemistry labs in many areas of chemistry including organic, inorganic, general, analytical, and p-chem

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