Apparatus and process for analysis of gaseous nitrogen trichlori

Details Apparatus and process for analysis of gaseous nitrogen trichlori Apparatus and process for analysis of gaseous nitrogen trichlori

1980-10-31

1981-11-24

Serwin, Ronald

Chemistry: physical processes

Physical processes

Crystallization

356 51, 356437, 422 83, G01N 2133

Patent

active

043022065

ABSTRACT:
Apparatus and process for analyzing the nitrogen trichloride concentration in gases containing it utilizing an ultraviolet light source. Unabsorbed filtered light collected from the sample at a wavelength of about 218 nm is compared with a standard at a wavelength of about 260 nm and the resultant is expressed in terms of nitrogen trichloride concentration.

REFERENCES:
patent: 4042333 (1977-08-01), Dell et al.
"The Absorption Spectra of Mono-, Di-, and tri-chloroamines and Some _Aliphatic Derivatives" by W. S. Metcalf, 1942, pp. 148-150. _
"Determination of Mono-, Di-, and Trichloramine by Ultraviolet Absorption _Spectrophotometry" by Fred W. Czech et al., May, 1961, pp. 705-707. _
"Laboratory and Developmental Work on Ultraviolet Light for Removal of _Nitrogen Trichloride from Chlorine Gas" by Alonzo Farmer, Nov., 1962. _
"Chemistry of Nitrogen Trichloride-A Review of the Literature" by _Carl E. Vogler, Date and source unspecified. _

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