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Nuclear Magnetic Resonance Apparatus is a set of equipment for introducing the basic phenomena of nuclear magnetic resonance using the continuous wave technique.

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Nuclear Magnetic Resonance Apparatus is a set of equipment for introducing students to the basic phenomena of nuclear magnetic resonance using the continuous wave technique. It allows the hydrogen proton resonance to be observed in six different chemical environments. A fluoride sample also permits the fluorine resonance to be observed and compared to the hydrogen values. Apparatus set includes a large permanent magnet with flat pole pieces and soft iron pads. The field strength at the center of the gap is about 0.5 T. The exact value is marked on each unit. Helmhotz coils surround the pole pieces. A scan control unit supplies an adjustable AC signal to the Helmholtz coils to scan the “fixed” magnetic field over a narrow range. An oscillator control unit carries coarse and fine frequency adjustments and produces an RF signal of very high frequency stability, which is measure by an included frequency counter. Five aqueous samples are included: copper sulfate, iron (III) chloride, hydrofluoric acid, pure water and manganese sulfate. A glycerin sample is also provided.