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China Wholesale photoelectric effect Manufacturers – LADP-2 Experimental System of Pulsed NMR – Labor

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China Wholesale photoelectric effect Manufacturers – LADP-2 Experimental System of Pulsed NMR – Labor Detail:

Pulsed Fourier transform nuclear magnetic resonance uses pulsed RF field to act on the nuclear system to observe the response of the nuclear system to the pulse, and uses fast Fourier transform (FFT) technology to transform the time domain signal into frequency domain signal, which is equivalent to multiple single frequency continuous wave nuclear magnetic resonance spectrometers are excited at the same time, so the nuclear magnetic resonance phenomenon can be observed in a large range, and the signal is stable At present, pulse method is used in most NMR spectrometers, while pulse method is used in MRI.

 

Experiments

1. Understand the basic physical theory and experimental configuration of a PNMR system. Learn to explain related physical phenomena in PNMR using classical vector model.

2. Learn to use signals of spin echo (SE) and free induction decay (FID) to measure T2 (spin-spin relaxation time). Analyze the influence of magnetic field homogeneity on NMR signal.

3. Learn to measure T1 (spin-lattice relaxation time) using reverse recovery.

4. Qualitatively understand the relaxation mechanism, observe the effect of paramagnetic ions on nuclear relaxation time.

5. Measure T2 of copper sulfate solution at different concentrations. Determine the relationship of T2 with the change of concentration.

6. Measure the relative chemical displacement of the sample.

 

Specifications

Description Specifications
Power supply of modulation field maximum current 0.5 A, voltage regulation 0 – 6.00 V
Power supply of homogenous field maximum current 0.5 A, voltage regulation 0 – 6.00 V
Oscillator frequency 20 MHz
Magnetic field strength 0.470 T
Magnetic pole diameter 100 mm
Magnetic pole distance 20 mm
Magnetic field homogeneity 20 ppm (10 mm × 10 mm × 10 mm)
Controlled temperature 36.500 °C
Magnetic field stability 4 hours warm to be stabilized, Larmor frequency drift less than 5 Hz per minute.

 

Parts List

Description Qty Note
Constant Temperature Unit 1 including magnet and temperature control device
RF Transmitting Unit 1 including power supply of modulation field
Signal Receiving Unit 1 including power supply of homogenous field and temperature display
Power Cord 1
Various Cable 12
Sample Tubes 10
Instructional Manual 1

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We constantly function like a tangible group to ensure that we can give you the very best high-quality and also the very best cost for China Wholesale photoelectric effect Manufacturers – LADP-2 Experimental System of Pulsed NMR – Labor , The product will supply to all over the world, such as: Netherlands, Durban, Indonesia, With a fully integrated operation system, our company has won a good fame for our high quality goods, reasonable prices and good services. Meanwhile, we have established a strict quality management system conducted in material incoming, processing and delivery. Abiding by the principle of "Credit first and customer supremacy", we sincerely welcome clients from home and abroad to cooperate with us and advance together to create a brilliant future.
  • It is a very good, very rare business partners, looking forward to the next more perfect cooperation!
    5 Stars By Chloe from Cambodia - 2018.11.06 10:04
    Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
    5 Stars By Priscilla from Sydney - 2018.02.08 16:45
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