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1022702 Includes Only:
Experimental topics that can be studied with the unit include:
he ESR/ NMR control unit is used in conjunc-tion with the ESR module to investi-gate electron spin resonance (ESR) in DPPH (diphenyl picryl hydrazyl) and with the NMR module to study nuclear magnetic resonance (NMR) in glycerine, polystyrene and Teflon. Resonances can be observed as a result of transitions induced by high frequencies due to changes in an external magnetic field. Reso-nance absorption curves can be viewed using a simple dual-channel oscilloscope. The control console provides control and pow-er-supply voltages for the test probe being used and for the pair of coils. It also provides a suitable signal for an oscilloscope and displays the value of the high-frequency signal in Hertz.
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