cesium-134

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cesium-134

[′sē·zē·əm ‚wən‚thərd·ē′fȯr]
(nuclear physics)
An isotope of cesium, atomic mass number of 134; emits negative beta particles and has a half-life of 2.19 years; used in photoelectric cells and in ion propulsion systems under development.
References in periodicals archive ?
The seawater samples were analysed for tritium (hydrogen-3), strontium-90, caesium-134 and caesium-137 by the Japan Chemical Analysis Center (JCAC), the Geo Science Laboratory (GSL), Japan, KANSO Co.
Among the dozens of sites across Taiwan proper, Penghu and Kinmen, the alliance detected artificial nuclides of plutonium at National Taichung University of Science and Technology as well as caesium-134 and caesium-137 at Taichung Civic Square, he said, arguing that Taiwan is being polluted by radioactivity.
Earlier this month Tokyo Electric Power (TEPCO) said groundwater samples taken at the battered plant showed levels of possibly cancer-causing caesium-134 had shot up more than 110 times in a few days.
The giant utility that services Tokyo and its surrounding regions has said groundwater samples taken at the battered Fukushima Daiichi plant on Tuesday showed levels of possibly cancer-causing caesium-134 were more than 110 times higher than they were on Friday.
2 and the sea showed levels of radioactive caesium-134 had grown by over 20% in 24 hours.
Following the accident, the EU adopted Implementing Regulation 297/2011, reinforcing controls on iodine-131, caesium-134 and caesium-137 for all food and feed originating in 11 prefectures near the nuclear plant.
certain radioactive elements in food and feed (iodine-131, caesium-134 and
Analytical results for all of the 24 samples for various vegetables, fruit (strawberry) and seafood in five prefectures (Gunma, Ibaraki, Niigata, Saitama and Tochigi) indicated that iodine-131, caesium-134 and/or caesium-137 were either not detected or were below the regulation values set by the Japanese authorities.
Samples taken on Monday showed levels of possibly cancer-causing caesium-134 were more than 90 times higher than on Friday, at 9,000 becquerels per litre, TEPCO revealed.
At a meeting of the Standing Committee on the Food Chain and Animal Health, on 23 March, the member states' experts endorsed a European Commission proposal to align the maximum levels of caesium-134 and caesium-137 with the new Japanese maximum levels, which will apply from 1 April.
Analytical results for 98 of the 111 samples for various vegetables, spinach and other leafy vegetables, fruit (strawberry), seafood, various meats (beef, chicken and pork) and unprocessed raw milk in eight prefectures (Chiba, Fukushima, Gunma, Ibaraki, Kanagawa, Niigata, Tochigi, and Tokyo), indicated that iodine-131, caesium-134 and caesium-137 were either not detected or were below the regulation values set by the Japanese authorities.
caesium-134, detected in the air in Spain recently, are believed to be