Articles with "129i 127i" as a keyword



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A 60-year record of 129I in Taal Lake sediments (Philippines): Influence of human nuclear activities at low latitude regions.

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Published in 2018 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2017.11.134

Abstract: The influence of human nuclear activities on environmental radioactivity is not well known at low latitude regions that are distant from nuclear test sites and nuclear facilities. A sediment core collected from Taal Lake in… read more here.

Keywords: low latitude; taal lake; 129i 127i; influence ... See more keywords
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Iodine isotopes (129I and 127I) in the hydrosphere of Qinghai-Tibet region and South China Sea.

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Published in 2018 at "Journal of environmental radioactivity"

DOI: 10.1016/j.jenvrad.2018.06.005

Abstract: The radioactive isotope 129I, with a half-life of 1.57 × 107 years, is widely used as a tracer to assess nuclear safety, to track environmental and geological events and to figure out the details of the stable… read more here.

Keywords: 129i 127i; water; sea; china ... See more keywords
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129I/127I and Δ14C records in a modern coral from Rowley Shoals off northwestern Australia reflect the 20th-century human nuclear activities and ocean/atmosphere circulations.

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Published in 2021 at "Journal of environmental radioactivity"

DOI: 10.1016/j.jenvrad.2021.106593

Abstract: Radionuclides produced by 20th-century human nuclear activities from 1945 (e.g., atmospheric nuclear explosions and nuclear-fuel reprocessing) made significant impacts on earth's surface environments. Long-lived shallow-water corals living in tropical/subtropical seas incorporate the anthropogenically-produced radionuclides, including… read more here.

Keywords: 20th century; 129i 127i; increase; rowley shoals ... See more keywords
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Ultra-Sensitive Determination of Particulate, Gaseous Inorganic and Organic Iodine-129 and Iodine-127 in Ambient Air.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c01685

Abstract: Atmospheric iodine cycling is of significance in climate change and environmental and health impacts. To better explore speciation transformation of atmospheric stable and radioactive iodine, an ultra-sensitive analytical method was established for determination of 129I… read more here.

Keywords: gaseous inorganic; organic iodine; iodine; ultra sensitive ... See more keywords

Temporal variation in 129I and 127I in aerosols from Xi'an, China: influence of East Asian monsoon and heavy haze events

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Published in 2020 at "Atmospheric Chemistry and Physics"

DOI: 10.5194/acp-20-2623-2020

Abstract: Abstract. Aerosol iodine isotopes are pivotal links in atmospheric circulation of iodine in both atmospheric and nuclear sciences, while their sources, temporal change and transport mechanism are still not well understood. This work presents the… read more here.

Keywords: east asian; iodine; 129i 127i; monsoon ... See more keywords