Fluorescent sulfur dioxide analyzer having an improved sulfur di

Details Fluorescent sulfur dioxide analyzer having an improved sulfur di Fluorescent sulfur dioxide analyzer having an improved sulfur di

1981-06-26

1983-02-08

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

250373, 356417, 422 52, 422186, 423542, 436122, G01N 2164, B01J 700

Patent

active

043729150

ABSTRACT:
A fluorescent sulfur dioxide analyzer that includes a generator for producing a standard gas of known sulfur dioxide content. A source of ultraviolet radiation illuminates the interior of a reaction chamber in which an oxygen containing gas is passed over a deposit of sulfur. During passage, a part of the oxygen reacts with the sulfur to produce sulfur dioxide. Because the quantity of sulfur dioxide is predictable and reproducible, the resulting sulfur dioxide containing gas is suitable for use as a standard or span gas in the analyzer with which it is used, thereby eliminating the need for the storage tanks or permeation tubes.

REFERENCES:
patent: 1969655 (1934-08-01), Mailey
patent: 4045316 (1977-08-01), Legan
patent: 4077774 (1978-03-01), Neti et al.
patent: 4087342 (1978-05-01), Bloomfield
patent: 4189363 (1980-02-01), Beitzel
CA 31:2517(2), Invisible Radiations in Gaseous Reactions, Jablczynski et al.

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