Electron Spin Resonance Spectrometers (ESR)
Electron spin resonance spectroscopy detects unpaired electrons directly, making it the definitive technique for studying free radicals, transition metal ions, and defects. JEOL ESR spectrometers serve chemistry, materials science, life science, and quality control.
Overview
ESR (also called EPR) measures the microwave absorption of unpaired electrons in a magnetic field, identifying and quantifying radicals and paramagnetic centers that no other technique can observe directly. Applications range from reaction mechanisms, polymerization, and photochemistry to radiation dosimetry, battery and catalyst research, food freshness, and defect analysis in semiconductors. JEOL's ESR series combines high sensitivity with stable, easy operation for routine and advanced studies.
Manufacturer: JEOL — Japan
Authorized distributor in Bangladesh. Factory-trained engineers available for local support.
Models
Electron Spin Resonance Spectrometer: JES-X3 Series
X-band ESR series (JES-X310 and JES-X320) with an ultra-low-noise Gunn oscillator delivering 30% higher sensitivity.
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