Differential atmospheric tritium sampler

Patent · Tue Jun 19 04:00:00 EDT 1990

OSTI ID:5775519

Griesbach, O A; Stencel, J R

This paper describes an atmospheric tritium sampler. It comprises: a means for providing and containing a carrier gas, the carrier gas comprising a mixture of H{sub 2} and a diluting gas, the H{sub 2} concentration in the carrier gas comprising less than 4 per cent of the mixture; manifold means for drawing in an air sample through an air intake port and the carrier gas through a carrier gas intake port and for exhausting a mixture thereof through an output port, the air sample containing moisture and HT therein; regulating means for metering the flow of carrier gas to the manifold means; a first moisture trap, connected to receive the exhaust from the manifold means, for adsorbing the moisture from the air sample and exhausting the balance of the air sample/carrier gas mixture; combustion chamber means, connected to receive the exhaust from the first moisture trap; a second moisture trap connected to an separate from the combustion chamber means; discharge means for exhausting the balance of the air sample/carrier gas mixture from the second moisture trap into the atmosphere.

• Assignee: Dept. of Energy, Washington, DC (USA)
• Patent Number(s): A; US 4935196
• Application Number: PPN: US s 7-103863
• OSTI ID: 5775519
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
540130* -- Environment
Atmospheric-- Radioactive Materials Monitoring & Transport-- (1990-)
AIR
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
DESIGN
DILUTION
ELEMENTS
EQUIPMENT
FLOWMETERS
FLUIDS
GASES
HYDROGEN
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
MEASURING INSTRUMENTS
METERS
NONMETALS
NUCLEI
ODD-EVEN NUCLEI
RADIOISOTOPES
SAMPLERS
SAMPLING
TRITIUM
YEARS LIVING RADIOISOTOPES