China Wholesale Ferromagnetic Resonance Pricelist – LADP-1A Experimental System of CW NMR – Advanced Model – Labor

Short Description:

Liquid surface tension coefficient is an important parameter to characterize the properties of liquid, which has important applications in industry, medicine and scientific research. The traditional pull-out method is often used to measure the force, such as jolly scale, torsion scale and so on, but the general accuracy is low, the stability is not high, and can not be directly digital output. Fd-nst-i liquid surface tension coefficient measuring instrument is a new type of liquid surface tension coefficient measuring instrument with pull-out method. The liquid surface tension is measured by single crystal silicon resistance strain gauge.

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China Wholesale Ferromagnetic Resonance Pricelist – LADP-1A Experimental System of CW NMR – Advanced Model – Labor Detail:

Description

Optional part:Frequency meter, self prepared part oscilloscope

This experimental system of continuous-wave nuclear magnetic resonance (CW-NMR) consists of a high homogeneity magnet and a main machine unit. A permanent magnet is used to provide a primary magnetic field superimposed by an adjustable electromagnetic field, generated by a pair of coils, to allow a fine adjustment to the total magnetic field and to compensate magnetic field fluctuations caused by temperature variations.

Because only small magnetizing current is needed for relatively low electromagnetic field, the heating problem of the system is minimized. Thus, the system can be operated continuously for several hours. It is an ideal experimental instrument for advanced physics laboratories.

Experiment

1. To observe the nuclear magnetic resonance (NMR) phenomenon of hydrogen nuclei in water and compare the influence of paramagnetic ions;

2. To measure the parameters of hydrogen nuclei and fluorine nuclei, such as spin magnetic ratio, Lande g factor, etc.

Specifications

Description	Specification
Measured nucleus	H and F
SNR	> 46 dB (H-nuclei)
Oscillator frequency	17 MHz to 23 MHz, continuously adjustable
Area of magnet pole	Diameter: 100 mm; spacing: 20 mm
NMR signal amplitude (peak to peak)	> 2 V (H-nuclei); > 200 mV (F-nuclei)
Homogeneity of magnetic field	better than 8 ppm
Adjustment range of electromagnetic field	60 Gauss
Number of coda waves	> 15

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