Radiant energy – Invisible radiant energy responsive electric signalling – Ultraviolet light responsive means
Patent
1978-07-12
1980-03-11
Willis, Davis L.
Radiant energy
Invisible radiant energy responsive electric signalling
Ultraviolet light responsive means
G01J 142
Patent
active
041929969
ABSTRACT:
A device is provided for measuring the concentration of oxygen in a sample utilizing the differential absorption by oxygen (O.sub.2) of two closely spaced ultraviolet (UV) radiation lines. The two UV lines are preferably isotope-shifted Hg lines in the vicinity of the Hg atomic transistion line at 1849.5A.
REFERENCES:
patent: 3869613 (1975-03-01), Link et al.
patent: 4096388 (1978-06-01), Wong
Bridgham John A.
Bryson, III Charles E.
Eletr Sam H.
Kronick Melvyn N.
Grubman Ronald E.
Hewlett--Packard Company
Willis Davis L.
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