Observed NMR signal of PTFE (F-nuclei)
Observed coda waves of NMR signal of water (H-nuclei)
Butterfly-shape signal
Schematic of NMR system
(Click figure to enlarge)
Note: oscilloscope not included
Features
NMR signals of H-nuclei and F-nuclei
Stable & large adjustment range of magnetic field
Homogeneous magnetic field
Complete system including frequency meter and Teslameter
Introduction
This LEAI-10 experimental system of continuous-wave nuclear magnetic resonance (CW-NMR) consists of a probe, an electromagnet, and a main machine unit. It is easy to use with a high SNR. It is an ideal experimental instrument for advanced physics laboratories. The instruction manual contains comprehensive materials including experimental configurations, principles and step-by-step instructions. Please click Experiment Theory and Contents to find more information about this apparatus.
Using this instrument, the following experiments can be performed:
1. Understand the classical theory of NMR.
2. Master the experimental method for studying NMR phenomena.
3. Observe NMR absorption signals of H-nuclei and F-nuclei, and measure magnetic field strength.
4. Observe NMR phenomena and determine gyromagnetic ratio, g-factor and nuclear magnetic moment.
Specifications
| Description | Specifications |
Power supply of electromagnet | max output voltage: ≥30 VDC |
| output current: DC 0 ~ 3.0 A adjustable | |
| meter accuracy: 1% | |
| Electromagnet | max magnetic field: ≥400 mT |
Sweeping field | max output voltage: ≥10 VAC (effective value) |
| output current: AC 0.2 ~ 0.5 A adjustable | |
| phase adjustment range: ≥180° | |
| Sweeping field | 2 ~ 20 mT |
| Signal amplitude | ≥0.5 Vp-p, water specimen |
| Specimen | FeCl3 or CuSO4 solution (user supply), φ5 mm; solid PTFE, φ4X40 mm |
| Oscillator frequency | 10 MHz to 14 MHz |
Parts List
| Description | Qty |
| Main Unit | 1 |
| Electromagnet | 1 |
| Specimen Probe | 2 |
| Power Cord | 1 |
| Cable | 7 |
| Teslameter | 1 |
| Frequency Meter | 1 |
| Instructional Manual | 1 |
Observed NMR signal of PTFE (F-nuclei)
Observed coda waves of NMR signal of water (H-nuclei)
Butterfly-shape signal
Schematic of NMR system
(Click figure to enlarge)
