USE OF A HIGH-RESOLUTION INFRARED FOURIER SPECTROMETER 
FOR DETECTION OF ULTRASMALL IMPURITIES IN LIQUIDS AND GASES 
F. S. Zavelevich, S. M. Bednov,
Yu. P. Matsitskii, A. G. Nikulin, and
S. M. Khramov

UDC 535.853.4+620.168.4

An experimental setup created on the basis of an infrared 
Fourier spectrometer and intended for an analysis of ultrasmall impurities 
in liquids and gases is described. Results of experimental studies 
of the vapor of ultrapure ammonium and nonsymmetric dimethylhydrazine 
are reported. It is shown that the limiting mole concentration of 
the detected impurities amounts to about (3-9)x10-4 % for different types of gases.

Federal State Unitary Enterprise "M. V. Keldysh Research 
Center," Moscow, Russia; kerc@elnet.msk.ru. Translated from 
Inzhenerno-Fizicheskii Zhurnal, Vol. 74, No. 5, pp. 98-103, September-October, 
2001. Original article submitted December 6, 2000.


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