Method of detection and quantitative determination of sulfur and

Details Method of detection and quantitative determination of sulfur and Method of detection and quantitative determination of sulfur and

1986-01-07

1988-03-22

Evans, F. L.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

G01N 2133

Patent

active

047330848

ABSTRACT:
A method and apparatus for making a quantitative determination of gaseous sulfur. The sulfur is illuminated with light having one or more spectral lines selected from a first group of peaks including positive peaks at wavelengths in nm of 263, 265.5, 268, 270.5, 273, 276, 279 and 282, and from a second group of peaks including negative peaks at wavelengths in nm of 264.5, 267, 269.5, 272, 275, 278 and 281. The absorption by the sulfur of the illuminating light is measured and this absorption is analyzed to determined sulfur content.

REFERENCES:
patent: 3969626 (1976-07-01), Saltzman
patent: 4563585 (1986-01-01), Ward
Optical Properties of Selenium by Heikki M. Isomaki, Physical Review B, vol. 26, No. 8, pp. 4485-4494, (Mar. 22, 1982).
Optical Loss in Selenium Thin Films as a Measure of Crystallinity by K. Harnisch, S. M. Neubacher, and O. Ennemoser, Short Notes K87-91, (Sep. 17, 1981).

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