Objectives of the Experiment
● Nuclear Magnetic Resonance on protons and fluorine in liquids and solid samples.
● Determination the g-factor of protons and fluorine.
How it works
Using the marginal oscillator, the sample is put into the oscillating coil, the sample and oscillating coil are in the magnetic field B0. When the oscillating frequency of the marginal oscillator is approaching the sample's resonant frequency ν, the RF magnetic field energy will be absorbed by the sample, the marginal oscillator will stop oscillating and the output of the oscillator will drop sharply. So that we can detect the NMR signal and obtain the g-factor of the sample: g=-h•ν/(μn • B0); μn: nuclear magneton; h: Planck's constant.
Features
● Tunable uniform magnetic field
The parallelism of the magnetic gap can be assured and adjusted by the 2 sets of symmetric screws, which provides a uniform magnetic field.
● Two-dimension adjustable detector
Adjustable racks and positioning stages which can change the position of the detector and sample in the magnetic field.
● Changeable test sample
Easily place and takeout the test samples, no need to replace other components or use any other tools.
● Clear resonance signal
The display of the resonance signal oscillograph is vivid and clear.
Typical Result
Water sample, ν=16.94MHz, I=2.82A, B=400mT
PTFE sample, ν=15.92MHz, I=2.82A, B=400mT
Order Information
Tunable DC(Constant Current) Power Supply, 3.5A
|
BEM-5003 |
NMR Probe Unit
|
BEM-5021 |
Electromagnetic Coil, 5A, 1000 turns
|
BEM-5023 |
Scanning Coil, 1A, 220 turns |
BEM-5023 |
Track, 300mm |
BEM-5201-03 |
Optical Carrier, 50mm |
BEM-5204-50 |
Adjustable Post Holder, 25mm |
BEM-5205-25 |
Post, 90mm |
BEM-5209-09 |
U-core |
BEM-5210 |
NMR Apparatus (Samples, H, F-nucleus)
|
BEM-5704 |
* Need: Dual-channel Oscilloscope and Teslameter are required but not included.
Material List
No
|
Descriptio
|
Model#
|
Unit
|
A
|
Tunable DC(Constant Current) Power Supply, 3.5A
|
BEM-5003
|
1
|
B
|
NMR Probe Unit
|
BEM-5021
|
1
|
C
|
Electromagnetic Coil, 5A, 1000 turns
|
BEM-5022
|
2
|
D
|
Scanning Coil, 1A, 220 turns
|
BEM-5023
|
2
|
E
|
Track, 300mm
|
BEM-5201-03
|
1
|
F
|
Optical Carrier, 50mm
|
BEM-5204-50
|
1
|
G
|
Adjustable Post Holder, 25mm
|
BEM-5205-25
|
1
|
H
|
Post, 90mm
|
BEM-5209-09
|
1
|
I
|
U-core
|
BEM-5210
|
1
|
J
|
NMR Apparatus
|
BEM-5704
|
1
|
K
|
Samples, H,F-nucleus
|
BEM-5901
|
2
|
L
|
Power Cord
|
BEM-5013
|
2
|
M
|
BNC Connector Cable
|
BEM-5014
|
3
|
N
|
Connecting Cable, 850 mm, red
|
BEM-5015-85
|
3
|
O
|
Connecting Cord, 850 mm, black
|
BEM-5016-85
|
3
|
P
|
User‘s Manual
|
CD-M-BEX-8505
|
1
|
* Need: Dual-channel Oscilloscope and Teslameter are required but not included.
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