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Active Spectrum manufactures magnetic resonance spectroscopy solutions based on our patented Micro-ESR technology. We make the world's first and only purpose-built on-line ESR spectroscopy solution! See how we apply this revolutionary technology to the online analysis of petroleum, lubricants and many other industrial sensing applications including the detection of reactive oxygen and nitrogen species. The Micro-ESR is also an excellent teaching tool, is portable, and will fit in any lab.

We offer a full line of miniature electron spin resonance (ESR/EPR) spectroscopy products in both Benchtop, now also available with an extended range magnet, and Online configurations, along with custom accessories and industry-specific chemical analysis solutions. We serve the research, academic, petrochemical, and other industrial markets.

>>> Download Active Spectrum's Online Product Catalog

Optimize the sensitivity and convenience of your Micro-ESR spectrometer with our full line of accessories including thin-walled sample tubes (1.7, 2.0, 2.3, 4.0, 5.0 and 5.8mm OD) and sample-loading needles (6" long in 20ga and 12ga sizes).


>>> ESR/EPR Applications, Papers, and Data


Micro-ESR with extended range magnet
Still a benchtop, and very affordable
For more information, click here

BMPO available from Active Spectrum - only $250.00 for 50 mg
For more information on BMPO, click here

March 22-24 2015: ASI will be attending The 249th ACS National Meeting and Exposition Denver, CO

Active Spectrum will be in booth #441

R&D 100 Award

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