Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor
Patent
1975-03-03
1976-12-21
Demers, Arthur P.
Radiant energy
Invisible radiant energy responsive electric signalling
With or including a luminophor
25230117, G09K 100, F21K 200
Patent
active
039990702
ABSTRACT:
A liquid scintillation counting composition of the type comprising ar aromatic hydrocarbon solvent, an ethoxylated alkyl phenol surfactant, and a scintillation solute, contains a small amount of a substituted ethoxylated carboxylate acid and/or a tertiary amine salt or a quaternary ammonium salt of such acid. The free acid reduces chemiluminescence upon the addition of an alkaline sample to the composition, while the tertiary amine or quaternary ammonium salt enhances the water miscibility of the composition.
REFERENCES:
patent: 3506828 (1970-04-01), Hansen et al.
patent: 3573218 (1971-03-01), Benson
patent: 3573220 (1971-03-01), Benson
patent: 3677964 (1972-07-01), Webb
Demers Arthur P.
Packard Instrument Company Inc.
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