A detector for the pulsed nuclear quadrupole resonance spectrometer

被引:1
|
作者
Brailovskii, V. V. [1 ]
Ivanchuk, M. M. [1 ]
Vatamanyuk, P. P. [1 ]
机构
[1] Fedkovych Chernivtsi Natl Univ, UA-58012 Chernovtsy, Ukraine
关键词
Spectrometers;
D O I
10.1134/S0020441209020183
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
An increase in the sensitivity of a pulse-type detector for the nuclear quadrupole resonance spectrometer has been attained by optimizing the delay time for switching on the receiver after termination of an excitation pulse and by using an original circuit of the synchronous detector with a high dynamic range of 100 dB. The sensitivity of the nuclear quadrupole resonance spectrometer improved by using the developed detector is about twice as great as the spectrometer sensitivity before its upgrading. The spectrometer is capable of detecting 0.5 g of sodium nitrite.
引用
收藏
页码:230 / 233
页数:4
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