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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


Some Examples of Benchtop ESR Applications and Data
Click here to download PDF

July 5 - 11, 2015: ASI will be attending The Euromar 2015 Conference Prague, Czech Republic
R&D 100 Award

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