C3.4.4.1 Electron Spin Resonance on DPPH
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Electron Spin Resonance on DPPH
In experiment C3.4.4.1, electron spin resonance is demonstrated on diphenyl picrylhydrazyl (DPPH). DPPH is a radical in which a free electron occurs on a nitrogen atom. In the experiment, the resonance frequencies can be predefined continuously between 13 and 130 MHz The aim of the assessment is to determine the g factor.Components of experiment:
| 1 | 514 55 | ESR basic unit |
| 1 | 514 571 | ESR supply unit |
| 1 | 555 604 | Pair of Helmholtz coils |
| 1 | 575 214 | Oscilloscope 30 MHz, two-channel, analogous |
| 2 | 501 02 | BNC cable, 1 m |
| 3 | 300 11 | Saddle base |
| 1 | 501 23 | Connecting lead, 32 A, 25 cm, black |
| 1 | 501 25 | Connecting lead, 32 A, 50 cm, red |
| 1 | 501 26 | Connecting lead, 32 A, 50 cm, blue |
