ESR spectrometer / EPR / high-sensitivity / benchtop

Highlights:
Modulation amplitude: 5 µT - 0.7 mT
Magnetic field range: 50 - 450 mT (optional: 50-600 mT, water cooling required)
Sensitivity: 8 x 109 spins/0.1 mT
Sweep time: 12 s - 34 min
Homogeneity: ± 5 µT in the sample region

Detectable Species for Quantification
Free radicals
Paramagnetic transition metal ions
Metals
Crystal lattice (defects)

Samples
Aggregation from liquid to solid, e. g. liquids, solutions, suspensions, blood, cells, paste, vessels, tissue, powder and solid compounds

Temperature of the Sample
Resonator temperature (32 - 34°C)
-196 °C (Accessories: Dewar, liquid nitrogen)
-170 to + 200 °C for capillaries and sample tubes of outer diameter 3 mm (Accessory: Temperature Controller TC H03)

Detection Limit
10 nM TEMPOL in 50 mM phosphate buffer, pH 7,4 *
8 x 109 spins/0,1 mT

*Sample vessel flat cell 7 mm, microwave power 20 mW, modulation amplitude 0,2 mT, scan time 4 times 60 s, time constant 100 ms