Major Category
Physical/Radiation
Description
A gas that is heavier than air, colorless, and odorless; [Argonne]
Sources/Uses
Krypton is present in minute amounts in the atmosphere with 6 stable isotopes including Kr-84 comprising 57% of natural krypton; Of the radionuclides produced during fission of uranium and plutonium, Kr-81 and Kr-85 have long enough half-lives to persist in the environment; Used to detect leaks and to excite phosphors to emit light; [Argonne]
Comments
Source: Fission of uranium and plutonium
Half-Life: 11 years
Specific Activity: 400 Ci/g
Decay Mode: Beta
Critical Organ: Skin
Tenth-Value Layer: 2.8 mm Pb
Gamma Ray Constant; 0.4 R/h @ 1 cm per mCi
Average Radiation Energy (MeV): Beta 0.25; Gamma 0.0022 [Argonne]
[See Glossary for references.] See "Radiation, ionizing."
Other Information
No other related information on this agent was found.