http://health.phys.iit.edu/archives/2009-December/013323.html WebThe Chernobyl exclusion zone is principally forested areas - That area to the north, the Prypiat Swamp, has soils that have a significant amount of humus material. Since Cesium and Strontium have high cation exchange selectivities, they are easily cation-exchanged / adsorbed onto the humus (high cation exchange capacity). From the Sosny Labs ...
Cesium 137 (radiocesium) has a half-life of 30 years
WebJan 10, 2004 · The average reduction of the 137Cs levels in children receiving oral pectin powder was 62.6%, the reduction with "clean" food and placebo was 13.9%, the … WebMar 23, 2024 · For our simulation, we assumed a cesium 137 release of 157 petabecquerels of radioactivity due to a nuclear core meltdown of the reactor, ... After the Chernobyl accident, in addition to the 30-kilometer-radius evacuation zone around the reactor, relocation was made compulsory from areas with cesium 137 contamination … corrine horvath
(PDF) Distinction of Migration of Strontium-90 and Cesium-137 …
Web>Cesium 137's half-life - the time it takes for half of a given amount of >material to decay - is 30 years, but the amount of cesium in soil near >Chernobyl isn't decreasing nearly that fast. And scientists don't know >why. Web> But for cesium the the opposite appears to be true. > > The physical properties of cesium haven't changed, so scientists think > there must be an environmental explanation. It could be that new cesium > is blowing over the soil sites from closer to the Chernobyl site. Or > perhaps cesium is migrating up through the soil from deeper in the ... WebJun 18, 2015 · With increasing time, the Chernobyl cesium becomes strongly fixed by the soil minerals; soil samples taken at different times during the first eight years after the accident were taken from a site within the 30-km restricted zone around the Chernobyl accident site. 137 Cs becomes more strongly fixed to the soil ... bravo-profil ts02 gtp4 pst01-cpt sh/shh