Search results
Results from the WOW.Com Content Network
Tritium radioluminescence is the use of gaseous tritium, a radioactive isotope of hydrogen, to create visible light. Tritium emits electrons through beta decay and, when they interact with a phosphor material, light is emitted through the process of phosphorescence.
Radioactive label on containers aboard a US Navy ship. Any quantity of packages bearing the RADIOACTIVE YELLOW III label (LSA-III). Some radioactive materials in "exclusive use" with low specific activity radioactive materials will not bear the label, however, the RADIOACTIVE placard is required.
A chemical hazard symbol is a pictogram applied to containers and storage areas of dangerous chemical compounds to indicate the specific hazard, and thus the required precautions. There are several systems of labels, depending on the purpose, such as on the container for transportation, containers for end-use, or on a vehicle during transportation.
It consists of a sealed glass tube containing radioactive tritium gas whose inner surfaces are coated with a phosphor. Radioluminescence is the phenomenon by which light is produced in a material by bombardment with ionizing radiation such as alpha particles, beta particles, or gamma rays. Radioluminescence is used as a low level light source ...
Radioactive material, low specific activity (LSA-I) [non fissile or fissile-excepted] Radon gas UN 2913: 7: Radioactive material, surface contaminated objects (SCO-I or SCO-II) [non fissile or fissile-excepted] UN 2914-(UN No. no longer in use) UN 2915: 7: Radioactive material, Type A package [non-special form, non fissile or fissile-excepted ...
Due to pre-calibration and efficiency issues this number is never seen on a label; the values often found are 800, 3000 and 6000 Ci/mmol. With this number it is possible to calculate the total chemical concentration and the hot-to-cold ratio. "Calibration date" is the date in which the vial's activity is the same as on the label.
White, the water board executive, said Berkeley's proposed benchmarks for what warranted further investigation were "excessively high." She argued that if SCS was intent on comparing radiation at ...
A radioactive tracer, radiotracer, or radioactive label is a synthetic derivative of a natural compound in which one or more atoms have been replaced by a radionuclide (a radioactive atom). By virtue of its radioactive decay , it can be used to explore the mechanism of chemical reactions by tracing the path that the radioisotope follows from ...