Method and apparatus for analysis of no and no2
Abstract
Abstract METHOD AND APPARATUS FOR DETERMINING THE CONCENTRATION OF NO AND NO2 IN GAS SAMPLE IN WHICH A GAS SAMPLE CONTAINING NO AND NO2 IS FIRST PASSED THROUGH A SCRUBBER IN WHICH THE SAMPLE IS CONTACTED WITH A REAGENT SOLUTION CAPABLE OF DEVELOPMENT OF COLOR IN RESPONSE TO CONTACT WITH NO2, WITH THE INTENSITY OF THE COLOR THUS DEVELOPED BEING A MEASURE OF THE NO2 CONTENT OF THE GAS SAMPLE, AND THEN THE UNABSORBED GASES ARE TREATED TO REMOVE RESIDUAL AMOUNTS OF NO2 AND THE NO IN THE SAMPLE IS OXIDIZED TO NO2 WHICH IS ABSORBED IN A SECOND SCRUBBER WITH A REAGENT SOLUTION CAPABLE OF DEVELOPMENT OF COLOR IN RESPONSE TO CONTACT WITH NO2, WITH THE INTENSITY OF COLOR DEVELOPED IN THE SECOND SCRUBBER BEING A MEASURE OF THE NO CONTENT OF THE GAS SAMPLE.
Inventors
- 👤 Norman A Lyshkow
Bibliographic Details
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