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ESR Spectrometer
Description
JEOL Model JES FA200 instrument is the state of the art Electron Spin Resonance (ESR) spectrometer used for the measurement
of species that contain unpaired electrons (Free radicals, transition metal complexes, odd-electron molecules, rare earth ions etc.)
Major Specifications:
· X- Band frequency : 8.75 - 9.65 GHz
· Sensitivity : 7 x 109 spins/0.1mT
· Resolution : 2.35 μT or better
· Variable Temperature facility (-153 to +25 °C)
Accessories Available:
· Q band Microwave Unit (35.5 GHz)
· Aqueous Sample Cells
· Angular Rotation Device (Manual & Automatic)
· ENDOR System (RT & VT)
· Insertion Type Dewar
Sample requirements:
· Powder samples: 25-50 mg
· Liquid samples: 2-3 ml
· Crystal: ~ 5x3x2 mm size
APPLICATIONS :
ESR is a powerful non-destructive technique for determining the Crystal structure, Molecular structure,Valence electron wave functions,
Electron transport,Crystal & ligand field splitting, Relaxation properties, Molecular motion, Reaction mechanisms
and Reaction kinetics
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