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Nuclear Magnetic Resonance Apparatus

$8,280.00
(ships from manufacturer, est arrival 1/5/23)

Description

Advanced physics items are drop shipped. These products are built to order. Carolina does not hold stock. Please allow 90 days to receive your item from the time you place your order. This is the industry standard for this type of equipment.

Introduce students to the basic phenomena of nuclear magnetic resonance (NMR). This unit includes large permanent magnets with flat pole pieces and iron pads to improve the homogeneity of the central region of the field to better than 0.1%. Use the included fluoride sample to observe fluorine resonance and compare it to the hydrogen values. Also measure gyromagnetic ratio (with user-supplied gaussmeter), Landé factor, and nuclear magnetic moment. Recommended for advanced and college level-physics. Includes 5 aqueous samples, a glycerine sample, and instructions. An oscilloscope is needed but not supplied.

The instruction manual contains sample activities and sample data for the following:

  • Observing the hydrogen NMR resonance
  • Observing the hydrogen NMR signal in various chemical environments
  • Observing the fluorine NMR signal
  • Calculating the fluorine gyromagnetic ratio and Landé factor

Specifications:
Magnet Module: Type: Permanent magnet with flat soft iron pole pads
Pole Pieces: 10 cm diam, parallelism adjustable (set screws)
Air Gap: 16.5 mm
Field Strength: Approximately 0.5 T, exact value marked on magnet
Field Uniformity: Better than 0.1% over central region
Scan Coils: Helmholtz arrangement, 300 turns each
Coil Resistance: 5.4 Ω each
Current: 1 A max; working current, 0.15 to 200 mA
Dimensions: 18 x 15 x 26 cm
Weight: 24.7 kg (55 lb)

Scan Control Unit: Function: Provides power to the scan coils, scan output signal to the oscilloscope with amplitude and phase adjustment, and power to the oscillator unit
Scan: Frequency: 60 Hz
Current: 0.15 to 200 mA, adjustable by 10-turn potentiometer
Voltage: 0.018 to 7.8 V
Oscilloscope Output: Amplitude: 0 to 19 Vp-p by 10-turn potentiometer
Phase Adjustment: ±90° by 10-turn potentiometer
Power: 115-V AC, 60 Hz
Dimensions: 24.5 x 12 x 20 cm
Weight: 2.3 kg (5 lb)

Oscillator Unit: Function: RF boundary oscillator with probe coil, coarse and fine frequency adjustment, RF amplitude adjustment, and resonance signal output to oscilloscope
Frequency Range: 15.8 to 24.6 MHz
Adjustment: Coarse and fine 10-turn potentiometers
RF Amplitude: 0 to 4.8 V, adjusted by 10-turn potentiometer
Probe: Coil housed in end of shielded tube, 22.5 cm L x 1.5 cm diam (sample vials fit inside coil)
Dimensions: 24.5 x 21 x 10.5 cm (without probe)
Feet adjustable 5 to 7.5 cm
Weights: Oscillator Unit: 2.3 kg (5.0 lb)
Probe: 113 g (1/4 lb)

Frequency Counter: Display: 8 digits, 1/2" LED
Ranges: Input A, 1 Hz to 100 MHz; input B, 100 MHz to 1.5 GHz
Sensitivity: Input A, 30 mVrms to 250 Vp-p; input B, 30 mVrms to 1 Vrms
Waveforms: Sine, square, sawtooth
Gate Times: 10 ms, 100 ms, 1 s, 10 s
Time Base: 10 MHz, stability 10 ppm/day
Power: 115-V AC, 60 Hz
Fuse: F0.5 A, 250 V, 5 x 20 mm miniature
Dimensions: 24 x 28 x 9 cm
Weight: 1.25 kg (2-3/4 lb)

Oscilloscope: Dual channel, 20 MHz, operates on 110-V AC, 60 Hz

Samples: 6 vials, 3.3 cm L x 8 mm diam, numbered 1 to 6, containing:
1. Copper sulfate solution
2. Ferric chloride solution
3. Hydrofluoric acid
4. Glycerin
5. Pure water
6. Manganese sulfate solution

Note: Sample vials are sealed for your protection and safety. They are not intended to be opened.

Specifications

What’s Included:
  • 1 Permanent Magnet Module
  • 1 Scan Control Unit
  • 1 Oscillator Control Unit
  • 1 Frequency Counter
  • 5 Aqueous Samples
  • 1 Glycerin Sample
  • 1 Instructions
Needed But Not Included:
  • 1 Oscilloscope
  • 1 Power Strip (recommended)
  • 1 Gaussmeter
  • 1 Wrench, Metric Hex #4 (for adjustments)
  • 1 Wrench, Metric Hex #5 (for adjustments)
Return Policy:

If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.

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