Nitric oxide interference free sulfur dioxide fluorescence analy

Chemistry: physical processes – Physical processes – Crystallization

Patent

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Details

23232E, 250576, 422 91, G01N 2164

Patent

active

042722489

ABSTRACT:
In a sulfur dioxide fluorescence analyzer, a method and apparatus for eliminating the fluorescence effects of nitric oxide is disclosed wherein a sample gas is mixed with a diluent which substantially quenches nitric oxide fluorescence.

REFERENCES:
patent: 3652227 (1972-03-01), Harman et al.
patent: 3677708 (1972-07-01), Harman et al.
patent: 4077774 (1978-03-01), Neti et al.

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