Positronium-mediated method for identifying a contaminant...

Details Positronium-mediated method for identifying a contaminant... Positronium-mediated method for identifying a contaminant...

2008-04-01

2008-04-01

Naff, David M. (Department: 1657)

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

C435S034000, C435S252500, C250S307000, C250S308000, C250S309000, C250S358100, C250S367000, C436S104000

Reexamination Certificate

active

11130763

ABSTRACT:
The present invention discloses an in vitro method to identify a contaminant gas in a specimen comprising a mixture of gases as a function of the decay rate of at least one species of positronium. The positronium is obtained by directing the positrons from a positron source in to a vessel that contains a specimen containing the mixture of gases comprising a contaminant gas to be identified.

REFERENCES:
Vallery et al.2000. Temperature Dependence of Positronium Decay Rates in Gases. Journal of Physics B. vol. 33, pp. 1047-1055.

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