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
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