Chemistry: physical processes – Physical processes – Crystallization
Patent
1975-03-13
1976-08-17
Reese, Robert M.
Chemistry: physical processes
Physical processes
Crystallization
G01N 2126
Patent
active
039751597
ABSTRACT:
Determination of the ozone contents of gas mixtures by measuring the intensity of luminescent light emitted by a reaction of ozone with one of the halogenated fluorescein dyes eosin, erythrosin, cyanosin and Rose Bengal in combination with gallic acid.
REFERENCES:
bersis et al., Analyst 91, 499, (1966).
Bowman et al., Science 154, 1454, (1966).
Hodgeson et al., Anal. Chem. 42, 1795, (1970).
Drumheller Ronald L.
Reese Robert M.
Trifari Frank R.
U.S. Philips Corporation
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